1214951116784 has 40 divisors (see below), whose sum is σ = 2578382584560. Its totient is φ = 552026467328.

The previous prime is 1214951116783. The next prime is 1214951116811. The reversal of 1214951116784 is 4876111594121.

It is a super-2 number, since 2×1214951116784² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1214951116783) 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, 77004734 + ... + 77020509.

It is an arithmetic number, because the mean of its divisors is an integer number (64459564614).

Almost surely, 2^{1214951116784} is an apocalyptic number.

It is an amenable number.

1214951116784 is an abundant number, since it is smaller than the sum of its proper divisors (1363431467776).

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

1214951116784 is a wasteful number, since it uses less digits than its factorization.

1214951116784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154025297 (or 154025291 counting only the distinct ones).

The product of its digits is 483840, while the sum is 50.

The spelling of 1214951116784 in words is "one trillion, two hundred fourteen billion, nine hundred fifty-one million, one hundred sixteen thousand, seven hundred eighty-four".