1012123132 has 12 divisors (see below), whose sum is σ = 1771662816. Its totient is φ = 505933760.

The previous prime is 1012123129. The next prime is 1012123159. The reversal of 1012123132 is 2313212101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12868 + ... + 46795.

It is an arithmetic number, because the mean of its divisors is an integer number (147638568).

Almost surely, 2^1012123132 is an apocalyptic number.

It is an amenable number.

1012123132 is a deficient number, since it is larger than the sum of its proper divisors (759539684).

1012123132 is a wasteful number, since it uses less digits than its factorization.

1012123132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63908 (or 63906 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1012123132 is about 31813.8826929377. The cubic root of 1012123132 is about 1004.0248230663.

Adding to 1012123132 its reverse (2313212101), we get a palindrome (3325335233).

The spelling of 1012123132 in words is "one billion, twelve million, one hundred twenty-three thousand, one hundred thirty-two".