212402133100 has 36 divisors (see below), whose sum is σ = 464228577400. Its totient is φ = 84349618560.

The previous prime is 212402133061. The next prime is 212402133157. The reversal of 212402133100 is 1331204212.

It is a happy number.

It is a super-2 number, since 2×212402133100² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7626465 + ... + 7654264.

Almost surely, 2^212402133100 is an apocalyptic number.

212402133100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212402133100 is an abundant number, since it is smaller than the sum of its proper divisors (251826444300).

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

212402133100 is a wasteful number, since it uses less digits than its factorization.

212402133100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15280882 (or 15280875 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 212402133100 its reverse (1331204212), we get a palindrome (213733337312).

The spelling of 212402133100 in words is "two hundred twelve billion, four hundred two million, one hundred thirty-three thousand, one hundred".