100432312132420 has 48 divisors (see below), whose sum is σ = 218182516317360. Its totient is φ = 38787300263936.

The previous prime is 100432312132351. The next prime is 100432312132447. The reversal of 100432312132420 is 24231213234001.

It can be written as a sum of positive squares in 8 ways, for example, as 58844086084 + 100373468046336 = 242578^2 + 10018656^2 .

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, 68593104 + ... + 70041976.

It is an arithmetic number, because the mean of its divisors is an integer number (4545469089945).

Almost surely, 2^{100432312132420} is an apocalyptic number.

100432312132420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100432312132420 is an abundant number, since it is smaller than the sum of its proper divisors (117750204184940).

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

100432312132420 is a wasteful number, since it uses less digits than its factorization.

100432312132420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1568424 (or 1568422 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 100432312132420 its reverse (24231213234001), we get a palindrome (124663525366421).

The spelling of 100432312132420 in words is "one hundred trillion, four hundred thirty-two billion, three hundred twelve million, one hundred thirty-two thousand, four hundred twenty".