351273771172 has 24 divisors (see below), whose sum is σ = 623416292352. Its totient is φ = 173171107200.

The previous prime is 351273771151. The next prime is 351273771179. The reversal of 351273771172 is 271177372153.

It is not an unprimeable number, because it can be changed into a prime (351273771179) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1948104 + ... + 2120767.

It is an arithmetic number, because the mean of its divisors is an integer number (25975678848).

Almost surely, 2^351273771172 is an apocalyptic number.

It is an amenable number.

351273771172 is a deficient number, since it is larger than the sum of its proper divisors (272142521180).

351273771172 is a wasteful number, since it uses less digits than its factorization.

351273771172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4069179 (or 4069177 counting only the distinct ones).

The product of its digits is 432180, while the sum is 46.

The spelling of 351273771172 in words is "three hundred fifty-one billion, two hundred seventy-three million, seven hundred seventy-one thousand, one hundred seventy-two".