312011211200222 has 32 divisors (see below), whose sum is σ = 471611741027904. Its totient is φ = 154809502848000.

The previous prime is 312011211200209. The next prime is 312011211200257. The reversal of 312011211200222 is 222002112110213.

It is a junction number, because it is equal to n+sod(n) for n = 312011211200194 and 312011211200203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3246788078 + ... + 3246884174.

It is an arithmetic number, because the mean of its divisors is an integer number (14737866907122).

Almost surely, 2^{312011211200222} is an apocalyptic number.

312011211200222 is a deficient number, since it is larger than the sum of its proper divisors (159600529827682).

312011211200222 is a wasteful number, since it uses less digits than its factorization.

312011211200222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107444.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 312011211200222 its reverse (222002112110213), we get a palindrome (534013323310435).

Subtracting from 312011211200222 its reverse (222002112110213), we obtain a palindrome (90009099090009).

The spelling of 312011211200222 in words is "three hundred twelve trillion, eleven billion, two hundred eleven million, two hundred thousand, two hundred twenty-two".