212111220002 has 16 divisors (see below), whose sum is σ = 347216175072. Its totient is φ = 96379444320.

The previous prime is 212111219981. The next prime is 212111220019. The reversal of 212111220002 is 200022111212.

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, 1674848 + ... + 1797035.

It is an arithmetic number, because the mean of its divisors is an integer number (21701010942).

Almost surely, 2^212111220002 is an apocalyptic number.

212111220002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

212111220002 is a deficient number, since it is larger than the sum of its proper divisors (135104955070).

212111220002 is a wasteful number, since it uses less digits than its factorization.

212111220002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3474673.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 212111220002 its reverse (200022111212), we get a palindrome (412133331214).

The spelling of 212111220002 in words is "two hundred twelve billion, one hundred eleven million, two hundred twenty thousand, two".