221430672125432 has 64 divisors (see below), whose sum is σ = 534327889213440. Its totient is φ = 83488732675200.

The previous prime is 221430672125423. The next prime is 221430672125503. The reversal of 221430672125432 is 234521276034122.

It is a Harshad number since it is a multiple of its sum of digits (44).

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, 5797809563 + ... + 5797847754.

It is an arithmetic number, because the mean of its divisors is an integer number (8348873268960).

Almost surely, 2^{221430672125432} is an apocalyptic number.

221430672125432 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

221430672125432 is an abundant number, since it is smaller than the sum of its proper divisors (312897217088008).

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

221430672125432 is a wasteful number, since it uses less digits than its factorization.

221430672125432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11595657372 (or 11595657368 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 44.

The spelling of 221430672125432 in words is "two hundred twenty-one trillion, four hundred thirty billion, six hundred seventy-two million, one hundred twenty-five thousand, four hundred thirty-two".