100202135452 has 24 divisors (see below), whose sum is σ = 177890227200. Its totient is φ = 49379239536.

The previous prime is 100202135441. The next prime is 100202135531. The reversal of 100202135452 is 254531202001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 221052 + ... + 499267.

It is an arithmetic number, because the mean of its divisors is an integer number (7412092800).

Almost surely, 2^100202135452 is an apocalyptic number.

It is an amenable number.

100202135452 is a deficient number, since it is larger than the sum of its proper divisors (77688091748).

100202135452 is a wasteful number, since it uses less digits than its factorization.

100202135452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 720825 (or 720823 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 100202135452 its reverse (254531202001), we get a palindrome (354733337453).

The spelling of 100202135452 in words is "one hundred billion, two hundred two million, one hundred thirty-five thousand, four hundred fifty-two".