212220012002 has 8 divisors (see below), whose sum is σ = 318349137756. Its totient is φ = 106103632752.

The previous prime is 212220011953. The next prime is 212220012007. The reversal of 212220012002 is 200210022212.

It can be written as a sum of positive squares in 2 ways, for example, as 212215927561 + 4084441 = 460669^2 + 2021^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (212220012007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3144893 + ... + 3211664.

Almost surely, 2^212220012002 is an apocalyptic number.

212220012002 is a deficient number, since it is larger than the sum of its proper divisors (106129125754).

212220012002 is a wasteful number, since it uses less digits than its factorization.

212220012002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6373252.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 212220012002 its reverse (200210022212), we get a palindrome (412430034214).

The spelling of 212220012002 in words is "two hundred twelve billion, two hundred twenty million, twelve thousand, two".