421372122630 has 32 divisors (see below), whose sum is σ = 1013279954400. Its totient is φ = 112145137152.

The previous prime is 421372122629. The next prime is 421372122631. The reversal of 421372122630 is 36221273124.

It is an interprime number because it is at equal distance from previous prime (421372122629) and next prime (421372122631).

It is a junction number, because it is equal to n+sod(n) for n = 421372122591 and 421372122600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421372122631) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13782115 + ... + 13812654.

It is an arithmetic number, because the mean of its divisors is an integer number (31664998575).

Almost surely, 2^421372122630 is an apocalyptic number.

421372122630 is an abundant number, since it is smaller than the sum of its proper divisors (591907831770).

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

421372122630 is a wasteful number, since it uses less digits than its factorization.

421372122630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27595288.

The product of its (nonzero) digits is 24192, while the sum is 33.

Adding to 421372122630 its reverse (36221273124), we get a palindrome (457593395754).

The spelling of 421372122630 in words is "four hundred twenty-one billion, three hundred seventy-two million, one hundred twenty-two thousand, six hundred thirty".