211023321323312 has 40 divisors (see below), whose sum is σ = 431955294609600. Its totient is φ = 99705809917952.

The previous prime is 211023321323303. The next prime is 211023321323329. The reversal of 211023321323312 is 213323123320112.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4838187137 + ... + 4838230752.

It is an arithmetic number, because the mean of its divisors is an integer number (10798882365240).

Almost surely, 2^{211023321323312} is an apocalyptic number.

It is an amenable number.

211023321323312 is an abundant number, since it is smaller than the sum of its proper divisors (220931973286288).

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

211023321323312 is a wasteful number, since it uses less digits than its factorization.

211023321323312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9676417973 (or 9676417967 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 29.

Adding to 211023321323312 its reverse (213323123320112), we get a palindrome (424346444643424).

The spelling of 211023321323312 in words is "two hundred eleven trillion, twenty-three billion, three hundred twenty-one million, three hundred twenty-three thousand, three hundred twelve".