751312012 has 48 divisors (see below), whose sum is σ = 1460138400. Its totient is φ = 335413760.

The previous prime is 751312007. The next prime is 751312013. The reversal of 751312012 is 210213157.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (751312013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 676914 + ... + 678022.

It is an arithmetic number, because the mean of its divisors is an integer number (30419550).

Almost surely, 2^751312012 is an apocalyptic number.

It is an amenable number.

751312012 is a deficient number, since it is larger than the sum of its proper divisors (708826388).

751312012 is a wasteful number, since it uses less digits than its factorization.

751312012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1386 (or 1384 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 22.

The square root of 751312012 is about 27410.0713607243. The cubic root of 751312012 is about 909.0897842325.

Adding to 751312012 its reverse (210213157), we get a palindrome (961525169).

The spelling of 751312012 in words is "seven hundred fifty-one million, three hundred twelve thousand, twelve".