212220121002 has 16 divisors (see below), whose sum is σ = 435911600352. Its totient is φ = 68828147280.

The previous prime is 212220120989. The next prime is 212220121013. The reversal of 212220121002 is 200121022212.

212220121002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 477973024 + ... + 477973467.

It is an arithmetic number, because the mean of its divisors is an integer number (27244475022).

Almost surely, 2^212220121002 is an apocalyptic number.

212220121002 is an abundant number, since it is smaller than the sum of its proper divisors (223691479350).

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

212220121002 is a wasteful number, since it uses less digits than its factorization.

212220121002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 955946533.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 212220121002 its reverse (200121022212), we get a palindrome (412341143214).

The spelling of 212220121002 in words is "two hundred twelve billion, two hundred twenty million, one hundred twenty-one thousand, two".