121432000340 has 48 divisors (see below), whose sum is σ = 291504915072. Its totient is φ = 41624098176.

The previous prime is 121432000337. The next prime is 121432000369. The reversal of 121432000340 is 43000234121.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 513047 + ... + 711393.

It is an arithmetic number, because the mean of its divisors is an integer number (6073019064).

Almost surely, 2^121432000340 is an apocalyptic number.

121432000340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121432000340 is an abundant number, since it is smaller than the sum of its proper divisors (170072914732).

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

121432000340 is a wasteful number, since it uses less digits than its factorization.

121432000340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202736 (or 202734 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 121432000340 its reverse (43000234121), we get a palindrome (164432234461).

The spelling of 121432000340 in words is "one hundred twenty-one billion, four hundred thirty-two million, three hundred forty", and thus it is an aban number.