201212310312300 has 288 divisors, whose sum is σ = 667543016734720. Its totient is φ = 45839426688000.

The previous prime is 201212310312281. The next prime is 201212310312341. The reversal of 201212310312300 is 3213013212102.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1066207950 + ... + 1066396650.

Almost surely, 2^{201212310312300} is an apocalyptic number.

201212310312300 is a gapful number since it is divisible by the number (20) 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 201212310312300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (333771508367360).

201212310312300 is an abundant number, since it is smaller than the sum of its proper divisors (466330706422420).

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

201212310312300 is a wasteful number, since it uses less digits than its factorization.

201212310312300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190401 (or 190394 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 201212310312300 its reverse (3213013212102), we get a palindrome (204425323524402).

The spelling of 201212310312300 in words is "two hundred one trillion, two hundred twelve billion, three hundred ten million, three hundred twelve thousand, three hundred".