100121434132 has 6 divisors (see below), whose sum is σ = 175212509738. Its totient is φ = 50060717064.

The previous prime is 100121434129. The next prime is 100121434213. The reversal of 100121434132 is 231434121001.

It can be written as a sum of positive squares in only one way, i.e., 92943277956 + 7178156176 = 304866^2 + 84724^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12515179263 + ... + 12515179270.

Almost surely, 2^100121434132 is an apocalyptic number.

It is an amenable number.

100121434132 is a deficient number, since it is larger than the sum of its proper divisors (75091075606).

100121434132 is a wasteful number, since it uses less digits than its factorization.

100121434132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25030358537 (or 25030358535 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 100121434132 its reverse (231434121001), we get a palindrome (331555555133).

The spelling of 100121434132 in words is "one hundred billion, one hundred twenty-one million, four hundred thirty-four thousand, one hundred thirty-two".