10202202121012 has 24 divisors (see below), whose sum is σ = 19477133363520. Its totient is φ = 4637316495360.

The previous prime is 10202202121009. The next prime is 10202202121021. The reversal of 10202202121012 is 21012120220201.

It is a happy number.

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, 3274473 + ... + 5579119.

It is an arithmetic number, because the mean of its divisors is an integer number (811547223480).

Almost surely, 2^{10202202121012} is an apocalyptic number.

It is an amenable number.

10202202121012 is a deficient number, since it is larger than the sum of its proper divisors (9274931242508).

10202202121012 is a wasteful number, since it uses less digits than its factorization.

10202202121012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2405271 (or 2405269 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 10202202121012 its reverse (21012120220201), we get a palindrome (31214322341213).

The spelling of 10202202121012 in words is "ten trillion, two hundred two billion, two hundred two million, one hundred twenty-one thousand, twelve".