121476321432 has 160 divisors (see below), whose sum is σ = 345052699200. Its totient is φ = 39922730496.

The previous prime is 121476321397. The next prime is 121476321481. The reversal of 121476321432 is 234123674121.

121476321432 is a `hidden beast` number, since 1 + 2 + 1 + 4 + 7 + 632 + 14 + 3 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 21508833 + ... + 21514479.

It is an arithmetic number, because the mean of its divisors is an integer number (2156579370).

Almost surely, 2^121476321432 is an apocalyptic number.

121476321432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121476321432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172526349600).

121476321432 is an abundant number, since it is smaller than the sum of its proper divisors (223576377768).

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

121476321432 is a wasteful number, since it uses less digits than its factorization.

121476321432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6127 (or 6114 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

Adding to 121476321432 its reverse (234123674121), we get a palindrome (355599995553).

The spelling of 121476321432 in words is "one hundred twenty-one billion, four hundred seventy-six million, three hundred twenty-one thousand, four hundred thirty-two".