1212624042132 has 24 divisors (see below), whose sum is σ = 2829533093856. Its totient is φ = 404197014688.

The previous prime is 1212624042127. The next prime is 1212624042137. The reversal of 1212624042132 is 2312404262121.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1212624042127) and next prime (1212624042137).

It is a super-2 number, since 2×1212624042132² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1212624042132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212624042137) by changing a digit.

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, 909258 + ... + 1803329.

It is an arithmetic number, because the mean of its divisors is an integer number (117897212244).

Almost surely, 2^{1212624042132} is an apocalyptic number.

1212624042132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1212624042132 is an abundant number, since it is smaller than the sum of its proper divisors (1616909051724).

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

1212624042132 is a wasteful number, since it uses less digits than its factorization.

1212624042132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2749847 (or 2749845 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

The spelling of 1212624042132 in words is "one trillion, two hundred twelve billion, six hundred twenty-four million, forty-two thousand, one hundred thirty-two".