121022200202012 has 24 divisors (see below), whose sum is σ = 212513001955296. Its totient is φ = 60304202215488.

The previous prime is 121022200201979. The next prime is 121022200202021. The reversal of 121022200202012 is 210202002220121.

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, 371592113 + ... + 371917655.

It is an arithmetic number, because the mean of its divisors is an integer number (8854708414804).

Almost surely, 2^{121022200202012} is an apocalyptic number.

It is an amenable number.

121022200202012 is a deficient number, since it is larger than the sum of its proper divisors (91490801753284).

121022200202012 is a wasteful number, since it uses less digits than its factorization.

121022200202012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643037 (or 643035 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 121022200202012 its reverse (210202002220121), we get a palindrome (331224202422133).

The spelling of 121022200202012 in words is "one hundred twenty-one trillion, twenty-two billion, two hundred million, two hundred two thousand, twelve".