121201121012202 has 192 divisors, whose sum is σ = 340014620335104. Its totient is φ = 30289761976320.

The previous prime is 121201121012123. The next prime is 121201121012203. The reversal of 121201121012202 is 202210121102121.

121201121012202 is a `hidden beast` number, since 121 + 201 + 121 + 0 + 1 + 220 + 2 = 666.

It is a super-2 number, since 2×121201121012202² (a number of 29 digits) contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (121201121012203) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 11183383 + ... + 19169514.

It is an arithmetic number, because the mean of its divisors is an integer number (1770909480912).

Almost surely, 2^{121201121012202} is an apocalyptic number.

121201121012202 is an abundant number, since it is smaller than the sum of its proper divisors (218813499322902).

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

121201121012202 is a wasteful number, since it uses less digits than its factorization.

121201121012202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30353033 (or 30353030 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 121201121012202 its reverse (202210121102121), we get a palindrome (323411242114323).

The spelling of 121201121012202 in words is "one hundred twenty-one trillion, two hundred one billion, one hundred twenty-one million, twelve thousand, two hundred two".