10120120111212 has 24 divisors (see below), whose sum is σ = 23615129373696. Its totient is φ = 3373156830288.

The previous prime is 10120120111207. The next prime is 10120120111219. The reversal of 10120120111212 is 21211102102101.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 10120120111191 and 10120120111200.

It is not an unprimeable number, because it can be changed into a prime (10120120111219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26872728 + ... + 27246719.

It is an arithmetic number, because the mean of its divisors is an integer number (983963723904).

Almost surely, 2^{10120120111212} is an apocalyptic number.

10120120111212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10120120111212 is an abundant number, since it is smaller than the sum of its proper divisors (13495009262484).

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

10120120111212 is a wasteful number, since it uses less digits than its factorization.

10120120111212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54135037 (or 54135035 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 10120120111212 its reverse (21211102102101), we get a palindrome (31331222213313).

The spelling of 10120120111212 in words is "ten trillion, one hundred twenty billion, one hundred twenty million, one hundred eleven thousand, two hundred twelve".