121412332032 has 80 divisors (see below), whose sum is σ = 323976799872. Its totient is φ = 40404869120.

The previous prime is 121412332021. The next prime is 121412332033. The reversal of 121412332032 is 230233214121.

It is a super-2 number, since 2×121412332032² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 121412331993 and 121412332011.

It is not an unprimeable number, because it can be changed into a prime (121412332033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 883657 + ... + 1011767.

Almost surely, 2^121412332032 is an apocalyptic number.

121412332032 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 121412332032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161988399936).

121412332032 is an abundant number, since it is smaller than the sum of its proper divisors (202564467840).

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

121412332032 is an equidigital number, since it uses as much as digits as its factorization.

121412332032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128749 (or 128733 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 121412332032 its reverse (230233214121), we get a palindrome (351645546153).

The spelling of 121412332032 in words is "one hundred twenty-one billion, four hundred twelve million, three hundred thirty-two thousand, thirty-two".