212102021002 has 16 divisors (see below), whose sum is σ = 323197234272. Its totient is φ = 104372508240.

The previous prime is 212102020993. The next prime is 212102021029. The reversal of 212102021002 is 200120201212.

It is a happy number.

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, 577624 + ... + 870547.

It is an arithmetic number, because the mean of its divisors is an integer number (20199827142).

Almost surely, 2^212102021002 is an apocalyptic number.

212102021002 is a deficient number, since it is larger than the sum of its proper divisors (111095213270).

212102021002 is a wasteful number, since it uses less digits than its factorization.

212102021002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1449333.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 212102021002 its reverse (200120201212), we get a palindrome (412222222214).

The spelling of 212102021002 in words is "two hundred twelve billion, one hundred two million, twenty-one thousand, two".