2102213313312 has 48 divisors (see below), whose sum is σ = 6306639941952. Its totient is φ = 600632375040.

The previous prime is 2102213313311. The next prime is 2102213313329. The reversal of 2102213313312 is 2133133122012.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (2102213313311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1564146139 + ... + 1564147482.

It is an arithmetic number, because the mean of its divisors is an integer number (131388332124).

Almost surely, 2^{2102213313312} is an apocalyptic number.

It is an amenable number.

2102213313312 is an abundant number, since it is smaller than the sum of its proper divisors (4204426628640).

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

2102213313312 is a wasteful number, since it uses less digits than its factorization.

2102213313312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3128293641 (or 3128293633 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 2102213313312 its reverse (2133133122012), we get a palindrome (4235346435324).

The spelling of 2102213313312 in words is "two trillion, one hundred two billion, two hundred thirteen million, three hundred thirteen thousand, three hundred twelve".