121664062212 has 48 divisors (see below), whose sum is σ = 353931820032. Its totient is φ = 31601054880.

The previous prime is 121664062141. The next prime is 121664062237. The reversal of 121664062212 is 212260466121.

It is a super-3 number, since 3×121664062212³ (a number of 34 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65834608 + ... + 65836455.

It is an arithmetic number, because the mean of its divisors is an integer number (7373579584).

Almost surely, 2^121664062212 is an apocalyptic number.

121664062212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121664062212 is an abundant number, since it is smaller than the sum of its proper divisors (232267757820).

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

121664062212 is a wasteful number, since it uses less digits than its factorization.

121664062212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131671088 (or 131671086 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The spelling of 121664062212 in words is "one hundred twenty-one billion, six hundred sixty-four million, sixty-two thousand, two hundred twelve".