1012712772 has 24 divisors (see below), whose sum is σ = 2398266976. Its totient is φ = 332532288.

The previous prime is 1012712761. The next prime is 1012712773. The reversal of 1012712772 is 2772172101.

It is not an unprimeable number, because it can be changed into a prime (1012712773) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 628993 + ... + 630600.

Almost surely, 2^1012712772 is an apocalyptic number.

1012712772 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1012712772 is an abundant number, since it is smaller than the sum of its proper divisors (1385554204).

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

1012712772 is a wasteful number, since it uses less digits than its factorization.

1012712772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1259667 (or 1259665 counting only the distinct ones).

The product of its (nonzero) digits is 2744, while the sum is 30.

The square root of 1012712772 is about 31823.1483671871. The cubic root of 1012712772 is about 1004.2197592523.

Adding to 1012712772 its reverse (2772172101), we get a palindrome (3784884873).

The spelling of 1012712772 in words is "one billion, twelve million, seven hundred twelve thousand, seven hundred seventy-two".