1212910032168 has 80 divisors (see below), whose sum is σ = 3397689408960. Its totient is φ = 404253568800.

The previous prime is 1212910032157. The next prime is 1212910032179. The reversal of 1212910032168 is 8612300192121.

It is an interprime number because it is at equal distance from previous prime (1212910032157) and next prime (1212910032179).

It is a super-2 number, since 2×1212910032168² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 19 ways as a sum of consecutive naturals, for example, 5352283 + ... + 5574293.

It is an arithmetic number, because the mean of its divisors is an integer number (42471117612).

Almost surely, 2^{1212910032168} is an apocalyptic number.

1212910032168 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1212910032168 is an abundant number, since it is smaller than the sum of its proper divisors (2184779376792).

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

1212910032168 is a wasteful number, since it uses less digits than its factorization.

1212910032168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230460 (or 230447 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The spelling of 1212910032168 in words is "one trillion, two hundred twelve billion, nine hundred ten million, thirty-two thousand, one hundred sixty-eight".