1012123252 has 12 divisors (see below), whose sum is σ = 2024246560. Its totient is φ = 433767096.

The previous prime is 1012123213. The next prime is 1012123283. The reversal of 1012123252 is 2523212101.

1012123252 is an admirable number.

It is an alternating number because its digits alternate between odd and even.

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, 18073602 + ... + 18073657.

Almost surely, 2^1012123252 is an apocalyptic number.

It is an amenable number.

1012123252 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1012123252 is a wasteful number, since it uses less digits than its factorization.

1012123252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36147270 (or 36147268 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 1012123252 is about 31813.8845789067. The cubic root of 1012123252 is about 1004.0248627463.

Adding to 1012123252 its reverse (2523212101), we get a palindrome (3535335353).

The spelling of 1012123252 in words is "one billion, twelve million, one hundred twenty-three thousand, two hundred fifty-two".