123021022132 has 24 divisors (see below), whose sum is σ = 221545779840. Its totient is φ = 59742209280.

The previous prime is 123021022127. The next prime is 123021022147. The reversal of 123021022132 is 231220120321.

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, 2472957 + ... + 2522212.

It is an arithmetic number, because the mean of its divisors is an integer number (9231074160).

Almost surely, 2^123021022132 is an apocalyptic number.

It is an amenable number.

123021022132 is a deficient number, since it is larger than the sum of its proper divisors (98524757708).

123021022132 is a wasteful number, since it uses less digits than its factorization.

123021022132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4995351 (or 4995349 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 123021022132 its reverse (231220120321), we get a palindrome (354241142453).

The spelling of 123021022132 in words is "one hundred twenty-three billion, twenty-one million, twenty-two thousand, one hundred thirty-two".