10120121011012 has 12 divisors (see below), whose sum is σ = 18642328178320. Its totient is φ = 4793741531496.

The previous prime is 10120121010977. The next prime is 10120121011061. The reversal of 10120121011012 is 21011012102101.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 10120121010983 and 10120121011001.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66579743418 + ... + 66579743569.

Almost surely, 2^{10120121011012} is an apocalyptic number.

It is an amenable number.

10120121011012 is a deficient number, since it is larger than the sum of its proper divisors (8522207167308).

10120121011012 is a wasteful number, since it uses less digits than its factorization.

10120121011012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133159487010 (or 133159487008 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 10120121011012 its reverse (21011012102101), we get a palindrome (31131133113113).

The spelling of 10120121011012 in words is "ten trillion, one hundred twenty billion, one hundred twenty-one million, eleven thousand, twelve".