232122210140 has 24 divisors (see below), whose sum is σ = 487852677312. Its totient is φ = 92773448640.

The previous prime is 232122210137. The next prime is 232122210181. The reversal of 232122210140 is 41012221232.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4689479 + ... + 4738718.

It is an arithmetic number, because the mean of its divisors is an integer number (20327194888).

Almost surely, 2^232122210140 is an apocalyptic number.

232122210140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

232122210140 is an abundant number, since it is smaller than the sum of its proper divisors (255730467172).

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

232122210140 is a wasteful number, since it uses less digits than its factorization.

232122210140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9429437 (or 9429435 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 232122210140 its reverse (41012221232), we get a palindrome (273134431372).

The spelling of 232122210140 in words is "two hundred thirty-two billion, one hundred twenty-two million, two hundred ten thousand, one hundred forty".