121431032201400 has 96 divisors (see below), whose sum is σ = 398579505729840. Its totient is φ = 30476808079360.

The previous prime is 121431032201387. The next prime is 121431032201443. The reversal of 121431032201400 is 4102230134121.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5952491379 + ... + 5952511778.

Almost surely, 2^{121431032201400} is an apocalyptic number.

121431032201400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121431032201400 is an abundant number, since it is smaller than the sum of its proper divisors (277148473528440).

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

121431032201400 is a wasteful number, since it uses less digits than its factorization.

121431032201400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11905003193 (or 11905003184 counting only the distinct ones).

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

Adding to 121431032201400 its reverse (4102230134121), we get a palindrome (125533262335521).

The spelling of 121431032201400 in words is "one hundred twenty-one trillion, four hundred thirty-one billion, thirty-two million, two hundred one thousand, four hundred".