2101201312312 has 16 divisors (see below), whose sum is σ = 3942568602000. Its totient is φ = 1049849685120.

The previous prime is 2101201312277. The next prime is 2101201312313. The reversal of 2101201312312 is 2132131021012.

It is a self number, because there is not a number n which added to its sum of digits gives 2101201312312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101201312313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93859489 + ... + 93881872.

It is an arithmetic number, because the mean of its divisors is an integer number (246410537625).

Almost surely, 2^{2101201312312} is an apocalyptic number.

It is an amenable number.

2101201312312 is a deficient number, since it is larger than the sum of its proper divisors (1841367289688).

2101201312312 is a wasteful number, since it uses less digits than its factorization.

2101201312312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187742766 (or 187742762 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 2101201312312 its reverse (2132131021012), we get a palindrome (4233332333324).

The spelling of 2101201312312 in words is "two trillion, one hundred one billion, two hundred one million, three hundred twelve thousand, three hundred twelve".