100120101211012 has 24 divisors (see below), whose sum is σ = 175905448488000. Its totient is φ = 49861554871776.

The previous prime is 100120101210971. The next prime is 100120101211073. The reversal of 100120101211012 is 210112101021001.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 100120101210983 and 100120101211001.

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, 16538512 + ... + 21766087.

It is an arithmetic number, because the mean of its divisors is an integer number (7329393687000).

Almost surely, 2^{100120101211012} is an apocalyptic number.

It is an amenable number.

100120101211012 is a deficient number, since it is larger than the sum of its proper divisors (75785347276988).

100120101211012 is a wasteful number, since it uses less digits than its factorization.

100120101211012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38307195 (or 38307193 counting only the distinct ones).

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

Adding to 100120101211012 its reverse (210112101021001), we get a palindrome (310232202232013).

The spelling of 100120101211012 in words is "one hundred trillion, one hundred twenty billion, one hundred one million, two hundred eleven thousand, twelve".