201121132400412 has 48 divisors (see below), whose sum is σ = 547734147824640. Its totient is φ = 56240559819072.

The previous prime is 201121132400359. The next prime is 201121132400413. The reversal of 201121132400412 is 214004231121102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201121132400413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25471264087 + ... + 25471271982.

It is an arithmetic number, because the mean of its divisors is an integer number (11411128079680).

Almost surely, 2^{201121132400412} is an apocalyptic number.

It is an amenable number.

201121132400412 is an abundant number, since it is smaller than the sum of its proper divisors (346613015424228).

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

201121132400412 is a wasteful number, since it uses less digits than its factorization.

201121132400412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50942536130 (or 50942536128 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

Adding to 201121132400412 its reverse (214004231121102), we get a palindrome (415125363521514).

The spelling of 201121132400412 in words is "two hundred one trillion, one hundred twenty-one billion, one hundred thirty-two million, four hundred thousand, four hundred twelve".