2312121763 has 16 divisors (see below), whose sum is σ = 2730655744. Its totient is φ = 1915786080.

The previous prime is 2312121727. The next prime is 2312121803. The reversal of 2312121763 is 3671212132.

It is a cyclic number.

It is not a de Polignac number, because 2312121763 - 2²¹ = 2310024611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2312121263) 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, 211006 + ... + 221692.

It is an arithmetic number, because the mean of its divisors is an integer number (170665984).

Almost surely, 2^2312121763 is an apocalyptic number.

2312121763 is a deficient number, since it is larger than the sum of its proper divisors (418533981).

2312121763 is a wasteful number, since it uses less digits than its factorization.

2312121763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11722.

The product of its digits is 3024, while the sum is 28.

The square root of 2312121763 is about 48084.5272722942. The cubic root of 2312121763 is about 1322.3210165118.

Adding to 2312121763 its reverse (3671212132), we get a palindrome (5983333895).

The spelling of 2312121763 in words is "two billion, three hundred twelve million, one hundred twenty-one thousand, seven hundred sixty-three".