213000232223112 has 16 divisors (see below), whose sum is σ = 532500580557840. Its totient is φ = 71000077407696.

The previous prime is 213000232223111. The next prime is 213000232223117. The reversal of 213000232223112 is 211322232000312.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 8875009675963 = 213000232223112 / (2 + 1 + 3 + 0 + 0 + 0 + 2 + 3 + 2 + 2 + 2 + 3 + 1 + 1 + 2).

It is not an unprimeable number, because it can be changed into a prime (213000232223111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4437504837958 + ... + 4437504838005.

It is an arithmetic number, because the mean of its divisors is an integer number (33281286284865).

Almost surely, 2^{213000232223112} is an apocalyptic number.

It is an amenable number.

213000232223112 is an abundant number, since it is smaller than the sum of its proper divisors (319500348334728).

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

213000232223112 is a wasteful number, since it uses less digits than its factorization.

213000232223112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8875009675972 (or 8875009675968 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 213000232223112 its reverse (211322232000312), we get a palindrome (424322464223424).

The spelling of 213000232223112 in words is "two hundred thirteen trillion, two hundred thirty-two million, two hundred twenty-three thousand, one hundred twelve".