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121002012021202 = 2138003295815013
BaseRepresentation
bin11011100000110011111001…
…111100011001000111010010
3120212102200100021011201122021
4123200303321330121013102
5111324444110034134302
61105203320144002054
734326051441633214
oct3340637174310722
9525380307151567
10121002012021202
11356117352a7444
12116a300100032a
1352695964bb3b0
1421c47587c05b4
15dec817856437
hex6e0cf9f191d2

121002012021202 has 16 divisors (see below), whose sum is σ = 195465066494040. Its totient is φ = 55847003087232.

The previous prime is 121002012021181. The next prime is 121002012021257. The reversal of 121002012021202 is 202120210200121.

It is a happy number.

121002012021202 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 79047231504201 + 41954780517001 = 8890851^2 + 6477251^2 .

It is a super-2 number, since 2×1210020120212022 (a number of 29 digits) contains 22 as substring.

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, 17901048 + ... + 23716060.

Almost surely, 2121002012021202 is an apocalyptic number.

121002012021202 is a deficient number, since it is larger than the sum of its proper divisors (74463054472838).

121002012021202 is a wasteful number, since it uses less digits than its factorization.

121002012021202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6615357.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 121002012021202 its reverse (202120210200121), we get a palindrome (323122222221323).

The spelling of 121002012021202 in words is "one hundred twenty-one trillion, two billion, twelve million, twenty-one thousand, two hundred two".

Divisors: 1 2 13 26 800329 1600658 5815013 10404277 11630026 20808554 75595169 151190338 4653923539277 9307847078554 60501006010601 121002012021202