1246889022472 has 32 divisors (see below), whose sum is σ = 2354917120920. Its totient is φ = 618918243840.

The previous prime is 1246889022469. The next prime is 1246889022499. The reversal of 1246889022472 is 2742209886421.

It can be written as a sum of positive squares in 4 ways, for example, as 573251893956 + 673637128516 = 757134^2 + 820754^2 .

It is a super-2 number, since 2×1246889022472² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 958572 + ... + 1847332.

Almost surely, 2^{1246889022472} is an apocalyptic number.

It is an amenable number.

1246889022472 is a deficient number, since it is larger than the sum of its proper divisors (1108028098448).

1246889022472 is a wasteful number, since it uses less digits than its factorization.

1246889022472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 890041 (or 890037 counting only the distinct ones).

The product of its (nonzero) digits is 6193152, while the sum is 55.

The spelling of 1246889022472 in words is "one trillion, two hundred forty-six billion, eight hundred eighty-nine million, twenty-two thousand, four hundred seventy-two".