201212013123000 has 192 divisors, whose sum is σ = 741923568753120. Its totient is φ = 48778669824000.

The previous prime is 201212013122959. The next prime is 201212013123047. The reversal of 201212013123000 is 321310212102.

201212013123000 is a `hidden beast` number, since 2 + 0 + 121 + 201 + 312 + 30 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1016123289 + ... + 1016321288.

Almost surely, 2^{201212013123000} is an apocalyptic number.

201212013123000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201212013123000 is an abundant number, since it is smaller than the sum of its proper divisors (540711555630120).

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

201212013123000 is a wasteful number, since it uses less digits than its factorization.

201212013123000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2032444615 (or 2032444598 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 201212013123000 its reverse (321310212102), we get a palindrome (201533323335102).

The spelling of 201212013123000 in words is "two hundred one trillion, two hundred twelve billion, thirteen million, one hundred twenty-three thousand".