202022101221012 has 18 divisors (see below), whose sum is σ = 510666978086538. Its totient is φ = 67340700406992.

The previous prime is 202022101220977. The next prime is 202022101221047. The reversal of 202022101221012 is 210122101220202.

It is a happy number.

202022101221012 is a `hidden beast` number, since 20 + 202 + 210 + 1 + 221 + 0 + 12 = 666.

It is an interprime number because it is at equal distance from previous prime (202022101220977) and next prime (202022101221047).

It can be written as a sum of positive squares in only one way, i.e., 198318608814096 + 3703492406916 = 14082564^2 + 1924446^2 .

It is a tau number, because it is divible by the number of its divisors (18).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2805862516923 + ... + 2805862516994.

Almost surely, 2^{202022101221012} is an apocalyptic number.

It is an amenable number.

202022101221012 is an abundant number, since it is smaller than the sum of its proper divisors (308644876865526).

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

202022101221012 is a wasteful number, since it uses less digits than its factorization.

202022101221012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5611725033927 (or 5611725033922 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 202022101221012 its reverse (210122101220202), we get a palindrome (412144202441214).

It can be divided in two parts, 20202 and 2101221012, that multiplied together give a palindrome (42448866884424).

The spelling of 202022101221012 in words is "two hundred two trillion, twenty-two billion, one hundred one million, two hundred twenty-one thousand, twelve".