312000022211 has 16 divisors (see below), whose sum is σ = 349438307904. Its totient is φ = 277032121344.

The previous prime is 312000022207. The next prime is 312000022223. The reversal of 312000022211 is 112220000213.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 312000022211 - 2² = 312000022207 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312000022111) 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, 5436896 + ... + 5493981.

It is an arithmetic number, because the mean of its divisors is an integer number (21839894244).

Almost surely, 2^312000022211 is an apocalyptic number.

312000022211 is a deficient number, since it is larger than the sum of its proper divisors (37438285693).

312000022211 is a wasteful number, since it uses less digits than its factorization.

312000022211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10930990.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 312000022211 its reverse (112220000213), we get a palindrome (424220022424).

The spelling of 312000022211 in words is "three hundred twelve billion, twenty-two thousand, two hundred eleven".