121412132430 has 64 divisors (see below), whose sum is σ = 292428871488. Its totient is φ = 32261160960.

The previous prime is 121412132411. The next prime is 121412132437. The reversal of 121412132430 is 34231214121.

It is a self number, because there is not a number n which added to its sum of digits gives 121412132430.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121412132437) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26617350 + ... + 26621910.

It is an arithmetic number, because the mean of its divisors is an integer number (4569201117).

Almost surely, 2^121412132430 is an apocalyptic number.

121412132430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121412132430 is an abundant number, since it is smaller than the sum of its proper divisors (171016739058).

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

121412132430 is a wasteful number, since it uses less digits than its factorization.

121412132430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7541.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 121412132430 its reverse (34231214121), we get a palindrome (155643346551).

The spelling of 121412132430 in words is "one hundred twenty-one billion, four hundred twelve million, one hundred thirty-two thousand, four hundred thirty".