123212032 has 18 divisors (see below), whose sum is σ = 245943278. Its totient is φ = 61605888.

The previous prime is 123212027. The next prime is 123212041. The reversal of 123212032 is 230212321.

It can be written as a sum of positive squares in only one way, i.e., 112869376 + 10342656 = 10624^2 + 3216^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 123211997 and 123212015.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 240393 + ... + 240904.

Almost surely, 2^123212032 is an apocalyptic number.

It is an amenable number.

123212032 is a deficient number, since it is larger than the sum of its proper divisors (122731246).

123212032 is an frugal number, since it uses more digits than its factorization.

123212032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481313 (or 481299 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 123212032 is about 11100.0915311541. The cubic root of 123212032 is about 497.6045849669.

Adding to 123212032 its reverse (230212321), we get a palindrome (353424353).

The spelling of 123212032 in words is "one hundred twenty-three million, two hundred twelve thousand, thirty-two".