2311301211212 has 96 divisors (see below), whose sum is σ = 4686025344000. Its totient is φ = 977057821440.

The previous prime is 2311301211199. The next prime is 2311301211223. The reversal of 2311301211212 is 2121121031132.

It is a super-2 number, since 2×2311301211212² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1384841114 + ... + 1384842782.

It is an arithmetic number, because the mean of its divisors is an integer number (48812764000).

Almost surely, 2^{2311301211212} is an apocalyptic number.

It is an amenable number.

2311301211212 is an abundant number, since it is smaller than the sum of its proper divisors (2374724132788).

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

2311301211212 is a wasteful number, since it uses less digits than its factorization.

2311301211212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3559 (or 3557 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 2311301211212 its reverse (2121121031132), we get a palindrome (4432422242344).

The spelling of 2311301211212 in words is "two trillion, three hundred eleven billion, three hundred one million, two hundred eleven thousand, two hundred twelve".