1012111032 has 16 divisors (see below), whose sum is σ = 2530277640. Its totient is φ = 337370336.

The previous prime is 1012110989. The next prime is 1012111039. The reversal of 1012111032 is 2301112101.

It is a super-2 number, since 2×1012111032² = 2048737482192210048, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 1012110999 and 1012111017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012111039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21085623 + ... + 21085670.

Almost surely, 2^1012111032 is an apocalyptic number.

1012111032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1012111032 is an abundant number, since it is smaller than the sum of its proper divisors (1518166608).

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

1012111032 is a wasteful number, since it uses less digits than its factorization.

1012111032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42171302 (or 42171298 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 12.

The square root of 1012111032 is about 31813.6925238175. The cubic root of 1012111032 is about 1004.0208219890.

Adding to 1012111032 its reverse (2301112101), we get a palindrome (3313223133).

The spelling of 1012111032 in words is "one billion, twelve million, one hundred eleven thousand, thirty-two".