1012220213202 has 80 divisors (see below), whose sum is σ = 2554132863744. Its totient is φ = 296838756000.

The previous prime is 1012220213167. The next prime is 1012220213227. The reversal of 1012220213202 is 2023120222101.

1012220213202 is a `hidden beast` number, since 101 + 2 + 220 + 21 + 320 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 9106449 + ... + 9216932.

Almost surely, 2^{1012220213202} is an apocalyptic number.

1012220213202 is an abundant number, since it is smaller than the sum of its proper divisors (1541912650542).

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

1012220213202 is a wasteful number, since it uses less digits than its factorization.

1012220213202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18323437 (or 18323428 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 1012220213202 its reverse (2023120222101), we get a palindrome (3035340435303).

The spelling of 1012220213202 in words is "one trillion, twelve billion, two hundred twenty million, two hundred thirteen thousand, two hundred two".