212230121002 has 8 divisors (see below), whose sum is σ = 318351373956. Its totient is φ = 106112996352.

The previous prime is 212230120997. The next prime is 212230121003. The reversal of 212230121002 is 200121032212.

It is a happy number.

212230121002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 198683256121 + 13546864881 = 445739^2 + 116391^2 .

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

It is a super-2 number, since 2×212230121002² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (212230121003) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 900183 + ... + 1111210.

Almost surely, 2^212230121002 is an apocalyptic number.

212230121002 is a deficient number, since it is larger than the sum of its proper divisors (106121252954).

212230121002 is a wasteful number, since it uses less digits than its factorization.

212230121002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2064152.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 212230121002 its reverse (200121032212), we get a palindrome (412351153214).

The spelling of 212230121002 in words is "two hundred twelve billion, two hundred thirty million, one hundred twenty-one thousand, two".