421210122612 has 48 divisors (see below), whose sum is σ = 1060271456832. Its totient is φ = 129651059200.

The previous prime is 421210122587. The next prime is 421210122643. The reversal of 421210122612 is 216221012124.

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, 19468014 + ... + 19489637.

It is an arithmetic number, because the mean of its divisors is an integer number (22088988684).

Almost surely, 2^421210122612 is an apocalyptic number.

It is an amenable number.

421210122612 is an abundant number, since it is smaller than the sum of its proper divisors (639061334220).

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

421210122612 is a wasteful number, since it uses less digits than its factorization.

421210122612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38957728 (or 38957726 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

Adding to 421210122612 its reverse (216221012124), we get a palindrome (637431134736).

The spelling of 421210122612 in words is "four hundred twenty-one billion, two hundred ten million, one hundred twenty-two thousand, six hundred twelve".