345421115212 has 12 divisors (see below), whose sum is σ = 604691398080. Its totient is φ = 172652144336.

The previous prime is 345421115203. The next prime is 345421115269. The reversal of 345421115212 is 212511124543.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14590012 + ... + 14613667.

It is an arithmetic number, because the mean of its divisors is an integer number (50390949840).

Almost surely, 2^345421115212 is an apocalyptic number.

It is an amenable number.

345421115212 is a deficient number, since it is larger than the sum of its proper divisors (259270282868).

345421115212 is a wasteful number, since it uses less digits than its factorization.

345421115212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29206640 (or 29206638 counting only the distinct ones).

The product of its digits is 9600, while the sum is 31.

Adding to 345421115212 its reverse (212511124543), we get a palindrome (557932239755).

The spelling of 345421115212 in words is "three hundred forty-five billion, four hundred twenty-one million, one hundred fifteen thousand, two hundred twelve".