1214962428889 has 48 divisors (see below), whose sum is σ = 1379930806800. Its totient is φ = 1068426444800.

The previous prime is 1214962428881. The next prime is 1214962428917. The reversal of 1214962428889 is 9888242694121.

It can be written as a sum of positive squares in 8 ways, for example, as 33230373264 + 1181732055625 = 182292^2 + 1087075^2 .

It is not a de Polignac number, because 1214962428889 - 2³ = 1214962428881 is a prime.

It is a super-2 number, since 2×1214962428889² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1214962428889.

It is not an unprimeable number, because it can be changed into a prime (1214962428881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 130903929 + ... + 130913209.

It is an arithmetic number, because the mean of its divisors is an integer number (28748558475).

Almost surely, 2^{1214962428889} is an apocalyptic number.

It is an amenable number.

1214962428889 is a deficient number, since it is larger than the sum of its proper divisors (164968377911).

1214962428889 is a wasteful number, since it uses less digits than its factorization.

1214962428889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9642 (or 9631 counting only the distinct ones).

The product of its digits is 31850496, while the sum is 64.

The spelling of 1214962428889 in words is "one trillion, two hundred fourteen billion, nine hundred sixty-two million, four hundred twenty-eight thousand, eight hundred eighty-nine".