1246620012 has 24 divisors (see below), whose sum is σ = 3173214912. Its totient is φ = 377763600.

The previous prime is 1246619999. The next prime is 1246620017. The reversal of 1246620012 is 2100266421.

It is a super-2 number, since 2×1246620012² = 3108122908637760288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1246620017) 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, 4721914 + ... + 4722177.

It is an arithmetic number, because the mean of its divisors is an integer number (132217288).

Almost surely, 2^1246620012 is an apocalyptic number.

1246620012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1246620012 is an abundant number, since it is smaller than the sum of its proper divisors (1926594900).

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

1246620012 is a wasteful number, since it uses less digits than its factorization.

1246620012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9444109 (or 9444107 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 1246620012 is about 35307.5064540106. The cubic root of 1246620012 is about 1076.2455401187.

Adding to 1246620012 its reverse (2100266421), we get a palindrome (3346886433).

The spelling of 1246620012 in words is "one billion, two hundred forty-six million, six hundred twenty thousand, twelve".