23132121112212 has 96 divisors (see below), whose sum is σ = 62447762936832. Its totient is φ = 6527571411456.

The previous prime is 23132121112211. The next prime is 23132121112231. The reversal of 23132121112212 is 21221112123132.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23132121112211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22597503 + ... + 23598969.

It is an arithmetic number, because the mean of its divisors is an integer number (650497530592).

Almost surely, 2^{23132121112212} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23132121112212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31223881468416).

23132121112212 is an abundant number, since it is smaller than the sum of its proper divisors (39315641824620).

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

23132121112212 is a wasteful number, since it uses less digits than its factorization.

23132121112212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1004877 (or 1004875 counting only the distinct ones).

The product of its digits is 576, while the sum is 24.

Adding to 23132121112212 its reverse (21221112123132), we get a palindrome (44353233235344).

The spelling of 23132121112212 in words is "twenty-three trillion, one hundred thirty-two billion, one hundred twenty-one million, one hundred twelve thousand, two hundred twelve".