351005551212 has 24 divisors (see below), whose sum is σ = 819059831856. Its totient is φ = 116995153408.

The previous prime is 351005551189. The next prime is 351005551219. The reversal of 351005551212 is 212155500153.

It is a self number, because there is not a number n which added to its sum of digits gives 351005551212.

It is not an unprimeable number, because it can be changed into a prime (351005551219) 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, 616413 + ... + 1040180.

It is an arithmetic number, because the mean of its divisors is an integer number (34127492994).

Almost surely, 2^351005551212 is an apocalyptic number.

It is an amenable number.

351005551212 is an abundant number, since it is smaller than the sum of its proper divisors (468054280644).

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

351005551212 is a wasteful number, since it uses less digits than its factorization.

351005551212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1674257 (or 1674255 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 30.

The spelling of 351005551212 in words is "three hundred fifty-one billion, five million, five hundred fifty-one thousand, two hundred twelve".