202221000102012 has 24 divisors (see below), whose sum is σ = 471966874194816. Its totient is φ = 67390160897328.

The previous prime is 202221000101983. The next prime is 202221000102041. The reversal of 202221000102012 is 210201000122202.

It is an interprime number because it is at equal distance from previous prime (202221000101983) and next prime (202221000102041).

It is a junction number, because it is equal to n+sod(n) for n = 202221000101982 and 202221000102000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2104842048 + ... + 2104938119.

It is an arithmetic number, because the mean of its divisors is an integer number (19665286424784).

Almost surely, 2^{202221000102012} is an apocalyptic number.

It is an amenable number.

202221000102012 is an abundant number, since it is smaller than the sum of its proper divisors (269745874092804).

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

202221000102012 is a wasteful number, since it uses less digits than its factorization.

202221000102012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4209784177 (or 4209784175 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 202221000102012 its reverse (210201000122202), we get a palindrome (412422000224214).

The spelling of 202221000102012 in words is "two hundred two trillion, two hundred twenty-one billion, one hundred two thousand, twelve".