212122101002 has 32 divisors (see below), whose sum is σ = 364220461440. Its totient is φ = 90763960320.

The previous prime is 212122101001. The next prime is 212122101007. The reversal of 212122101002 is 200101221212.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is not an unprimeable number, because it can be changed into a prime (212122101001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25580477 + ... + 25588767.

It is an arithmetic number, because the mean of its divisors is an integer number (11381889420).

Almost surely, 2^212122101002 is an apocalyptic number.

212122101002 is a deficient number, since it is larger than the sum of its proper divisors (152098360438).

212122101002 is a wasteful number, since it uses less digits than its factorization.

212122101002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11006.

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

Adding to 212122101002 its reverse (200101221212), we get a palindrome (412223322214).

The spelling of 212122101002 in words is "two hundred twelve billion, one hundred twenty-two million, one hundred one thousand, two".