12401421004134 has 56 divisors (see below), whose sum is σ = 27922099193352. Its totient is φ = 4129114397760.

The previous prime is 12401421004129. The next prime is 12401421004201. The reversal of 12401421004134 is 43140012410421.

12401421004134 is a `hidden beast` number, since 1 + 2 + 4 + 0 + 142 + 100 + 413 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 12401421004098 and 12401421004107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 3542844 + ... + 6111839.

It is an arithmetic number, because the mean of its divisors is an integer number (498608914167).

Almost surely, 2^{12401421004134} is an apocalyptic number.

12401421004134 is an abundant number, since it is smaller than the sum of its proper divisors (15520678189218).

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

12401421004134 is an frugal number, since it uses more digits than its factorization.

12401421004134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9655584 (or 9655569 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

Adding to 12401421004134 its reverse (43140012410421), we get a palindrome (55541433414555).

The spelling of 12401421004134 in words is "twelve trillion, four hundred one billion, four hundred twenty-one million, four thousand, one hundred thirty-four".