421211421144234 has 128 divisors (see below), whose sum is σ = 1136376265728000. Its totient is φ = 112966131086784.

The previous prime is 421211421144191. The next prime is 421211421144259. The reversal of 421211421144234 is 432441124112124.

421211421144234 is a `hidden beast` number, since 4 + 2 + 1 + 2 + 1 + 14 + 211 + 4 + 423 + 4 = 666.

It is a super-2 number, since 2×421211421144234² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 268245634 + ... + 269811309.

It is an arithmetic number, because the mean of its divisors is an integer number (8877939576000).

Almost surely, 2^{421211421144234} is an apocalyptic number.

421211421144234 is an abundant number, since it is smaller than the sum of its proper divisors (715164844583766).

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

421211421144234 is a wasteful number, since it uses less digits than its factorization.

421211421144234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538057089 (or 538057083 counting only the distinct ones).

The product of its digits is 49152, while the sum is 36.

Adding to 421211421144234 its reverse (432441124112124), we get a palindrome (853652545256358).

The spelling of 421211421144234 in words is "four hundred twenty-one trillion, two hundred eleven billion, four hundred twenty-one million, one hundred forty-four thousand, two hundred thirty-four".