2212012321002 has 72 divisors (see below), whose sum is σ = 5281141041540. Its totient is φ = 668634912000.

The previous prime is 2212012320979. The next prime is 2212012321049. The reversal of 2212012321002 is 2001232102122.

2212012321002 is a `hidden beast` number, since 221 + 201 + 232 + 10 + 0 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1812526382601 + 399485938401 = 1346301^2 + 632049^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 392977 + ... + 2139732.

Almost surely, 2^{2212012321002} is an apocalyptic number.

2212012321002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2212012321002 is an abundant number, since it is smaller than the sum of its proper divisors (3069128720538).

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

2212012321002 is a wasteful number, since it uses less digits than its factorization.

2212012321002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2533140 (or 2533126 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 2212012321002 its reverse (2001232102122), we get a palindrome (4213244423124).

The spelling of 2212012321002 in words is "two trillion, two hundred twelve billion, twelve million, three hundred twenty-one thousand, two".