121012221212202 has 64 divisors (see below), whose sum is σ = 253796355661824. Its totient is φ = 38436538620480.

The previous prime is 121012221212167. The next prime is 121012221212209. The reversal of 121012221212202 is 202212122210121.

It is not an unprimeable number, because it can be changed into a prime (121012221212209) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38485338 + ... + 41510789.

It is an arithmetic number, because the mean of its divisors is an integer number (3965568057216).

Almost surely, 2^{121012221212202} is an apocalyptic number.

121012221212202 is an abundant number, since it is smaller than the sum of its proper divisors (132784134449622).

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

121012221212202 is a wasteful number, since it uses less digits than its factorization.

121012221212202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79996323.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 121012221212202 its reverse (202212122210121), we get a palindrome (323224343422323).

The spelling of 121012221212202 in words is "one hundred twenty-one trillion, twelve billion, two hundred twenty-one million, two hundred twelve thousand, two hundred two".