351421441212 has 12 divisors (see below), whose sum is σ = 819983362856. Its totient is φ = 117140480400.

The previous prime is 351421441181. The next prime is 351421441247. The reversal of 351421441212 is 212144124153.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 351421441212.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14642560039 + ... + 14642560062.

Almost surely, 2^351421441212 is an apocalyptic number.

It is an amenable number.

351421441212 is an abundant number, since it is smaller than the sum of its proper divisors (468561921644).

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

351421441212 is a wasteful number, since it uses less digits than its factorization.

351421441212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29285120108 (or 29285120106 counting only the distinct ones).

The product of its digits is 7680, while the sum is 30.

Adding to 351421441212 its reverse (212144124153), we get a palindrome (563565565365).

The spelling of 351421441212 in words is "three hundred fifty-one billion, four hundred twenty-one million, four hundred forty-one thousand, two hundred twelve".