421355234112152 has 16 divisors (see below), whose sum is σ = 790103711129400. Its totient is φ = 210660911144320.

The previous prime is 421355234112143. The next prime is 421355234112161. The reversal of 421355234112152 is 251211432553124.

It is an interprime number because it is at equal distance from previous prime (421355234112143) and next prime (421355234112161).

It is a super-2 number, since 2×421355234112152² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

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, 2088131777 + ... + 2088333552.

Almost surely, 2^{421355234112152} is an apocalyptic number.

It is an amenable number.

421355234112152 is a deficient number, since it is larger than the sum of its proper divisors (368748477017248).

421355234112152 is a wasteful number, since it uses less digits than its factorization.

421355234112152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4176477946 (or 4176477942 counting only the distinct ones).

The product of its digits is 288000, while the sum is 41.

Adding to 421355234112152 its reverse (251211432553124), we get a palindrome (672566666665276).

The spelling of 421355234112152 in words is "four hundred twenty-one trillion, three hundred fifty-five billion, two hundred thirty-four million, one hundred twelve thousand, one hundred fifty-two".