1471918821212 has 24 divisors (see below), whose sum is σ = 2962588209504. Its totient is φ = 626804373312.

The previous prime is 1471918821199. The next prime is 1471918821257. The reversal of 1471918821212 is 2121288191741.

It is a happy number.

It is a super-2 number, since 2×1471918821212² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 167411303 + ... + 167420094.

It is an arithmetic number, because the mean of its divisors is an integer number (123441175396).

Almost surely, 2^{1471918821212} is an apocalyptic number.

It is an amenable number.

1471918821212 is an abundant number, since it is smaller than the sum of its proper divisors (1490669388292).

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

1471918821212 is a wasteful number, since it uses less digits than its factorization.

1471918821212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334831565 (or 334831563 counting only the distinct ones).

The product of its digits is 129024, while the sum is 47.

The spelling of 1471918821212 in words is "one trillion, four hundred seventy-one billion, nine hundred eighteen million, eight hundred twenty-one thousand, two hundred twelve".