32231210011220 has 48 divisors (see below), whose sum is σ = 73866563644608. Its totient is φ = 11716028636160.

The previous prime is 32231210011177. The next prime is 32231210011333. The reversal of 32231210011220 is 2211001213223.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 32231210011192 and 32231210011201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26985182 + ... + 28154261.

It is an arithmetic number, because the mean of its divisors is an integer number (1538886742596).

Almost surely, 2^{32231210011220} is an apocalyptic number.

It is an amenable number.

32231210011220 is an abundant number, since it is smaller than the sum of its proper divisors (41635353633388).

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

32231210011220 is a wasteful number, since it uses less digits than its factorization.

32231210011220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55142120 (or 55142118 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 32231210011220 its reverse (2211001213223), we get a palindrome (34442211224443).

The spelling of 32231210011220 in words is "thirty-two trillion, two hundred thirty-one billion, two hundred ten million, eleven thousand, two hundred twenty".