12207898111500 has 1440 divisors, whose sum is σ = 50037834502656. Its totient is φ = 2536621401600.

The previous prime is 12207898111471. The next prime is 12207898111543. The reversal of 12207898111500 is 511189870221.

12207898111500 is a `hidden beast` number, since 1 + 2 + 20 + 7 + 8 + 9 + 8 + 111 + 500 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

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 479 ways as a sum of consecutive naturals, for example, 3210068599 + ... + 3210072401.

Almost surely, 2^{12207898111500} is an apocalyptic number.

12207898111500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12207898111500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25018917251328).

12207898111500 is an abundant number, since it is smaller than the sum of its proper divisors (37829936391156).

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

12207898111500 is a wasteful number, since it uses less digits than its factorization.

12207898111500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3934 (or 3900 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 45.

The spelling of 12207898111500 in words is "twelve trillion, two hundred seven billion, eight hundred ninety-eight million, one hundred eleven thousand, five hundred".