1210012120002 has 48 divisors (see below), whose sum is σ = 2841439940640. Its totient is φ = 342486732672.

The previous prime is 1210012119997. The next prime is 1210012120021. The reversal of 1210012120002 is 2000212100121.

It is a self number, because there is not a number n which added to its sum of digits gives 1210012120002.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19200727 + ... + 19263642.

It is an arithmetic number, because the mean of its divisors is an integer number (59196665430).

Almost surely, 2^{1210012120002} is an apocalyptic number.

1210012120002 is an abundant number, since it is smaller than the sum of its proper divisors (1631427820638).

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

1210012120002 is a wasteful number, since it uses less digits than its factorization.

1210012120002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38464495 (or 38464488 counting only the distinct ones).

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

Adding to 1210012120002 its reverse (2000212100121), we get a palindrome (3210224220123).

It can be divided in two parts, 12100121 and 20002, that multiplied together give a palindrome (242026620242).

The spelling of 1210012120002 in words is "one trillion, two hundred ten billion, twelve million, one hundred twenty thousand, two".