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121032032212220 = 22531434539836167
BaseRepresentation
bin11011100001001111110111…
…010010010101010011111100
3120212112112211102110102212212
4123201033313102111103330
5111330442100221242340
61105225203100515552
734331163405225053
oct3341176722252374
9525475742412785
10121032032212220
113562343a981268
12116a899a84bbb8
13526c36bb0282c
1421c5da57a339a
15ded4c311ca65
hex6e13f74954fc

121032032212220 has 48 divisors (see below), whose sum is σ = 268467751630848. Its totient is φ = 45761548553280.

The previous prime is 121032032212187. The next prime is 121032032212253. The reversal of 121032032212220 is 22212230230121.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (121032032212187) and next prime (121032032212253).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2269891424 + ... + 2269944743.

It is an arithmetic number, because the mean of its divisors is an integer number (5593078158976).

Almost surely, 2121032032212220 is an apocalyptic number.

121032032212220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121032032212220 is an abundant number, since it is smaller than the sum of its proper divisors (147435719418628).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121032032212220 is a wasteful number, since it uses less digits than its factorization.

121032032212220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4539836250 (or 4539836248 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 121032032212220 its reverse (22212230230121), we get a palindrome (143244262442341).

The spelling of 121032032212220 in words is "one hundred twenty-one trillion, thirty-two billion, thirty-two million, two hundred twelve thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 31 43 62 86 124 155 172 215 310 430 620 860 1333 2666 5332 6665 13330 26660 4539836167 9079672334 18159344668 22699180835 45398361670 90796723340 140734921177 195212955181 281469842354 390425910362 562939684708 703674605885 780851820724 976064775905 1407349211770 1952129551810 2814698423540 3904259103620 6051601610611 12103203221222 24206406442444 30258008053055 60516016106110 121032032212220