213012110100 has 36 divisors (see below), whose sum is σ = 616315039424. Its totient is φ = 56803229280.

The previous prime is 213012110071. The next prime is 213012110107. The reversal of 213012110100 is 1011210312.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213012110107) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 355019884 + ... + 355020483.

Almost surely, 2^213012110100 is an apocalyptic number.

213012110100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213012110100 is an abundant number, since it is smaller than the sum of its proper divisors (403302929324).

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

213012110100 is a wasteful number, since it uses less digits than its factorization.

213012110100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 710040384 (or 710040377 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 213012110100 its reverse (1011210312), we get a palindrome (214023320412).

The spelling of 213012110100 in words is "two hundred thirteen billion, twelve million, one hundred ten thousand, one hundred".