10101212120 has 32 divisors (see below), whose sum is σ = 23066953200. Its totient is φ = 3980178048.

The previous prime is 10101212029. The next prime is 10101212131. The reversal of 10101212120 is 2121210101.

It is a congruent number.

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, 1881875 + ... + 1887234.

Almost surely, 2^10101212120 is an apocalyptic number.

10101212120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10101212120 is an abundant number, since it is smaller than the sum of its proper divisors (12965741080).

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

10101212120 is a wasteful number, since it uses less digits than its factorization.

10101212120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3769187 (or 3769183 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 10101212120 its reverse (2121210101), we get a palindrome (12222422221).

The spelling of 10101212120 in words is "ten billion, one hundred one million, two hundred twelve thousand, one hundred twenty".