1216987016962 has 16 divisors (see below), whose sum is σ = 1933033136760. Its totient is φ = 572648986368.

The previous prime is 1216987016953. The next prime is 1216987016983. The reversal of 1216987016962 is 2696107896121.

It can be written as a sum of positive squares in 4 ways, for example, as 1067334868161 + 149652148801 = 1033119^2 + 386849^2 .

It is a super-3 number, since 3×1216987016962³ (a number of 37 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1216987016897 and 1216987016906.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1196637 + ... + 1966192.

Almost surely, 2^{1216987016962} is an apocalyptic number.

1216987016962 is a deficient number, since it is larger than the sum of its proper divisors (716046119798).

1216987016962 is a wasteful number, since it uses less digits than its factorization.

1216987016962 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3174165.

The product of its (nonzero) digits is 3919104, while the sum is 58.

The spelling of 1216987016962 in words is "one trillion, two hundred sixteen billion, nine hundred eighty-seven million, sixteen thousand, nine hundred sixty-two".