20120213010100 has 36 divisors (see below), whose sum is σ = 49898128266784. Its totient is φ = 6898358746080.

The previous prime is 20120213010091. The next prime is 20120213010133. The reversal of 20120213010100 is 101031202102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14371580022 + ... + 14371581421.

Almost surely, 2^{20120213010100} is an apocalyptic number.

20120213010100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20120213010100 is an abundant number, since it is smaller than the sum of its proper divisors (29777915256684).

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

20120213010100 is a wasteful number, since it uses less digits than its factorization.

20120213010100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28743161464 (or 28743161457 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 20120213010100 its reverse (101031202102), we get a palindrome (20221244212202).

The spelling of 20120213010100 in words is "twenty trillion, one hundred twenty billion, two hundred thirteen million, ten thousand, one hundred".