402212043202 has 4 divisors (see below), whose sum is σ = 603318064806. Its totient is φ = 201106021600.

The previous prime is 402212043199. The next prime is 402212043217. The reversal of 402212043202 is 202340212204.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 387305830921 + 14906212281 = 622339^2 + 122091^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100553010799 + ... + 100553010802.

Almost surely, 2^402212043202 is an apocalyptic number.

402212043202 is a deficient number, since it is larger than the sum of its proper divisors (201106021604).

402212043202 is a wasteful number, since it uses less digits than its factorization.

402212043202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201106021603.

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 402212043202 its reverse (202340212204), we get a palindrome (604552255406).

The spelling of 402212043202 in words is "four hundred two billion, two hundred twelve million, forty-three thousand, two hundred two".