213233012123100 has 72 divisors (see below), whose sum is σ = 616955668143360. Its totient is φ = 56861999570880.

The previous prime is 213233012123071. The next prime is 213233012123123. The reversal of 213233012123100 is 1321210332312.

It is a super-2 number, since 2×213233012123100² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 211526061 + ... + 212531739.

Almost surely, 2^{213233012123100} is an apocalyptic number.

213233012123100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213233012123100 is an abundant number, since it is smaller than the sum of its proper divisors (403722656020260).

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

213233012123100 is a wasteful number, since it uses less digits than its factorization.

213233012123100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1712459 (or 1712452 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 213233012123100 its reverse (1321210332312), we get a palindrome (214554222455412).

The spelling of 213233012123100 in words is "two hundred thirteen trillion, two hundred thirty-three billion, twelve million, one hundred twenty-three thousand, one hundred".