1002120010012 has 48 divisors (see below), whose sum is σ = 1919616652800. Its totient is φ = 453968919360.

The previous prime is 1002120010007. The next prime is 1002120010057. The reversal of 1002120010012 is 2100100212001.

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, 17723178 + ... + 17779630.

It is an arithmetic number, because the mean of its divisors is an integer number (39992013600).

Almost surely, 2^{1002120010012} is an apocalyptic number.

It is an amenable number.

1002120010012 is a deficient number, since it is larger than the sum of its proper divisors (917496642788).

1002120010012 is a wasteful number, since it uses less digits than its factorization.

1002120010012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57826 (or 57824 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 1002120010012 its reverse (2100100212001), we get a palindrome (3102220222013).

The spelling of 1002120010012 in words is "one trillion, two billion, one hundred twenty million, ten thousand, twelve".