421212130413402 has 16 divisors (see below), whose sum is σ = 843274335773952. Its totient is φ = 140262364313280.

The previous prime is 421212130413391. The next prime is 421212130413413. The reversal of 421212130413402 is 204314031212124.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (421212130413391) and next prime (421212130413413).

It is a self number, because there is not a number n which added to its sum of digits gives 421212130413402.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35419783023 + ... + 35419794914.

It is an arithmetic number, because the mean of its divisors is an integer number (52704645985872).

Almost surely, 2^{421212130413402} is an apocalyptic number.

421212130413402 is an abundant number, since it is smaller than the sum of its proper divisors (422062205360550).

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

421212130413402 is a wasteful number, since it uses less digits than its factorization.

421212130413402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70839578933.

The product of its (nonzero) digits is 9216, while the sum is 30.

Adding to 421212130413402 its reverse (204314031212124), we get a palindrome (625526161625526).

The spelling of 421212130413402 in words is "four hundred twenty-one trillion, two hundred twelve billion, one hundred thirty million, four hundred thirteen thousand, four hundred two".