Search a number
-
+
120202221212120 = 23524996712021809
BaseRepresentation
bin11011010101001011000010…
…101100100101000111011000
3120202121012221110122222122102
4123111023002230211013120
5111223343122112241440
61103352045455142532
734214216045135225
oct3325130254450730
9522535843588572
10120202221212120
1135333526232a03
1211593bb4814a48
13520c036996538
142197b6615094c
15dd6b07ad6b15
hex6d52c2b251d8

120202221212120 has 32 divisors (see below), whose sum is σ = 270456102187200. Its totient is φ = 48080692136448.

The previous prime is 120202221212119. The next prime is 120202221212131. The reversal of 120202221212120 is 21212122202021.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 120202221212092 and 120202221212101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3987776 + ... + 16009584.

It is an arithmetic number, because the mean of its divisors is an integer number (8451753193350).

Almost surely, 2120202221212120 is an apocalyptic number.

120202221212120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120202221212120 is an abundant number, since it is smaller than the sum of its proper divisors (150253880975080).

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

120202221212120 is a wasteful number, since it uses less digits than its factorization.

120202221212120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12271787 (or 12271783 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 120202221212120 its reverse (21212122202021), we get a palindrome (141414343414141).

The spelling of 120202221212120 in words is "one hundred twenty trillion, two hundred two billion, two hundred twenty-one million, two hundred twelve thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 249967 499934 999868 1249835 1999736 2499670 4999340 9998680 12021809 24043618 48087236 60109045 96174472 120218090 240436180 480872360 3005055530303 6010111060606 12020222121212 15025277651515 24040444242424 30050555303030 60101110606060 120202221212120