20103211033312 has 24 divisors (see below), whose sum is σ = 43176214606392. Its totient is φ = 9137823196800.

The previous prime is 20103211033289. The next prime is 20103211033349. The reversal of 20103211033312 is 21333011230102.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28555697139 + ... + 28555697842.

It is an arithmetic number, because the mean of its divisors is an integer number (1799008941933).

Almost surely, 2^{20103211033312} is an apocalyptic number.

20103211033312 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20103211033312 is an abundant number, since it is smaller than the sum of its proper divisors (23073003573080).

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

20103211033312 is a wasteful number, since it uses less digits than its factorization.

20103211033312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57111395002 (or 57111394994 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 20103211033312 its reverse (21333011230102), we get a palindrome (41436222263414).

The spelling of 20103211033312 in words is "twenty trillion, one hundred three billion, two hundred eleven million, thirty-three thousand, three hundred twelve".