220202202121012 has 6 divisors (see below), whose sum is σ = 385353853711778. Its totient is φ = 110101101060504.

The previous prime is 220202202120991. The next prime is 220202202121037. The reversal of 220202202121012 is 210121202202022.

It can be written as a sum of positive squares in only one way, i.e., 123103329897636 + 97098872223376 = 11095194^2 + 9853876^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27525275265123 + ... + 27525275265130.

Almost surely, 2^{220202202121012} is an apocalyptic number.

It is an amenable number.

220202202121012 is a deficient number, since it is larger than the sum of its proper divisors (165151651590766).

220202202121012 is a wasteful number, since it uses less digits than its factorization.

220202202121012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55050550530257 (or 55050550530255 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 220202202121012 its reverse (210121202202022), we get a palindrome (430323404323034).

The spelling of 220202202121012 in words is "two hundred twenty trillion, two hundred two billion, two hundred two million, one hundred twenty-one thousand, twelve".