32112222142 has 64 divisors (see below), whose sum is σ = 65559803904. Its totient is φ = 11390595840.

The previous prime is 32112222139. The next prime is 32112222193. The reversal of 32112222142 is 24122221123.

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 31 ways as a sum of consecutive naturals, for example, 36283 + ... + 256009.

It is an arithmetic number, because the mean of its divisors is an integer number (1024371936).

Almost surely, 2^32112222142 is an apocalyptic number.

32112222142 is an abundant number, since it is smaller than the sum of its proper divisors (33447581762).

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

32112222142 is a wasteful number, since it uses less digits than its factorization.

32112222142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219833.

The product of its digits is 768, while the sum is 22.

Adding to 32112222142 its reverse (24122221123), we get a palindrome (56234443265).

The spelling of 32112222142 in words is "thirty-two billion, one hundred twelve million, two hundred twenty-two thousand, one hundred forty-two".