1201622941512 has 96 divisors (see below), whose sum is σ = 3746457561600. Its totient is φ = 340814829312.

The previous prime is 1201622941507. The next prime is 1201622941517. The reversal of 1201622941512 is 2151492261021.

1201622941512 is a `hidden beast` number, since 1 + 2 + 0 + 1 + 6 + 229 + 415 + 12 = 666.

It is an interprime number because it is at equal distance from previous prime (1201622941507) and next prime (1201622941517).

It is a super-2 number, since 2×1201622941512² (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 not an unprimeable number, because it can be changed into a prime (1201622941517) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 8632312 + ... + 8770407.

It is an arithmetic number, because the mean of its divisors is an integer number (39025599600).

Almost surely, 2^{1201622941512} is an apocalyptic number.

1201622941512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1201622941512 is an abundant number, since it is smaller than the sum of its proper divisors (2544834620088).

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

1201622941512 is a wasteful number, since it uses less digits than its factorization.

1201622941512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17402875 (or 17402868 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The spelling of 1201622941512 in words is "one trillion, two hundred one billion, six hundred twenty-two million, nine hundred forty-one thousand, five hundred twelve".