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1202120010012 = 223131877596623
BaseRepresentation
bin10001011111100011111…
…011111010100100011100
311020220212210212202222210
4101133203323322210130
5124143420210310022
62320125111440420
7152564440330155
oct21374373724434
94226783782883
101202120010012
114238a8451a89
12174b8b686110
13894898906bc
144227bd0292c
152140ada6a0c
hex117e3efa91c

1202120010012 has 24 divisors (see below), whose sum is σ = 2805159764736. Its totient is φ = 400676230768.

The previous prime is 1202120010011. The next prime is 1202120010023. The reversal of 1202120010012 is 2100100212021.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a self number, because there is not a number n which added to its sum of digits gives 1202120010012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202120010011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3640068 + ... + 3956555.

It is an arithmetic number, because the mean of its divisors is an integer number (116881656864).

Almost surely, 21202120010012 is an apocalyptic number.

1202120010012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1202120010012 is an abundant number, since it is smaller than the sum of its proper divisors (1603039754724).

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

1202120010012 is a wasteful number, since it uses less digits than its factorization.

1202120010012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7609817 (or 7609815 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1202120010012 its reverse (2100100212021), we get a palindrome (3302220222033).

The spelling of 1202120010012 in words is "one trillion, two hundred two billion, one hundred twenty million, ten thousand, twelve".

Divisors: 1 2 3 4 6 12 13187 26374 39561 52748 79122 158244 7596623 15193246 22789869 30386492 45579738 91159476 100176667501 200353335002 300530002503 400706670004 601060005006 1202120010012