20013212103000 has 128 divisors (see below), whose sum is σ = 62444663424000. Its totient is φ = 5336562403200.

The previous prime is 20013212102893. The next prime is 20013212103007. The reversal of 20013212103000 is 30121231002.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20013212103007) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 57242721 + ... + 57591279.

It is an arithmetic number, because the mean of its divisors is an integer number (487848933000).

Almost surely, 2^{20013212103000} is an apocalyptic number.

20013212103000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20013212103000 is an abundant number, since it is smaller than the sum of its proper divisors (42431451321000).

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

20013212103000 is a wasteful number, since it uses less digits than its factorization.

20013212103000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367722 (or 367708 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 20013212103000 its reverse (30121231002), we get a palindrome (20043333334002).

The spelling of 20013212103000 in words is "twenty trillion, thirteen billion, two hundred twelve million, one hundred three thousand".