121413020432 has 60 divisors (see below), whose sum is σ = 258929677440. Its totient is φ = 55110348480.

The previous prime is 121413020429. The next prime is 121413020437. The reversal of 121413020432 is 234020314121.

It is a super-2 number, since 2×121413020432² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121413020398 and 121413020407.

It is not an unprimeable number, because it can be changed into a prime (121413020437) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1348373 + ... + 1435595.

It is an arithmetic number, because the mean of its divisors is an integer number (4315494624).

Almost surely, 2^121413020432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121413020432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129464838720).

121413020432 is an abundant number, since it is smaller than the sum of its proper divisors (137516657008).

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

121413020432 is a wasteful number, since it uses less digits than its factorization.

121413020432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87972 (or 87955 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 121413020432 its reverse (234020314121), we get a palindrome (355433334553).

The spelling of 121413020432 in words is "one hundred twenty-one billion, four hundred thirteen million, twenty thousand, four hundred thirty-two".