212001403204 has 12 divisors (see below), whose sum is σ = 371006859244. Its totient is φ = 105999443424.

The previous prime is 212001403181. The next prime is 212001403231. The reversal of 212001403204 is 402304100212.

It can be written as a sum of positive squares in 2 ways, for example, as 5594740804 + 206406662400 = 74798^2 + 454320^2 .

It is a super-3 number, since 3×212001403204³ (a number of 35 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 136414 + ... + 665290.

Almost surely, 2^212001403204 is an apocalyptic number.

It is an amenable number.

212001403204 is a deficient number, since it is larger than the sum of its proper divisors (159005456040).

212001403204 is a wasteful number, since it uses less digits than its factorization.

212001403204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629094 (or 629092 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 212001403204 its reverse (402304100212), we get a palindrome (614305503416).

The spelling of 212001403204 in words is "two hundred twelve billion, one million, four hundred three thousand, two hundred four".