1210112021008 has 40 divisors (see below), whose sum is σ = 2572025870880. Its totient is φ = 546977994240.

The previous prime is 1210112020993. The next prime is 1210112021051. The reversal of 1210112021008 is 8001202110121.

It is a super-2 number, since 2×1210112021008² (a number of 25 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, 19174185 + ... + 19237192.

It is an arithmetic number, because the mean of its divisors is an integer number (64300646772).

Almost surely, 2^{1210112021008} is an apocalyptic number.

It is an amenable number.

1210112021008 is an abundant number, since it is smaller than the sum of its proper divisors (1361913849872).

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

1210112021008 is a wasteful number, since it uses less digits than its factorization.

1210112021008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38411575 (or 38411569 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 1210112021008 its reverse (8001202110121), we get a palindrome (9211314131129).

The spelling of 1210112021008 in words is "one trillion, two hundred ten billion, one hundred twelve million, twenty-one thousand, eight".