201231030212000 has 48 divisors (see below), whose sum is σ = 494424641240712. Its totient is φ = 80492412083200.

The previous prime is 201231030211979. The next prime is 201231030212039. The reversal of 201231030212000 is 212030132102.

It can be written as a sum of positive squares in 4 ways, for example, as 98150788923664 + 103080241288336 = 9907108^2 + 10152844^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 201231030212000.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25153874777 + ... + 25153882776.

Almost surely, 2^{201231030212000} is an apocalyptic number.

201231030212000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201231030212000 is an abundant number, since it is smaller than the sum of its proper divisors (293193611028712).

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

201231030212000 is an equidigital number, since it uses as much as digits as its factorization.

201231030212000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50307757578 (or 50307757560 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 201231030212000 its reverse (212030132102), we get a palindrome (201443060344102).

The spelling of 201231030212000 in words is "two hundred one trillion, two hundred thirty-one billion, thirty million, two hundred twelve thousand".