121766301212 has 6 divisors (see below), whose sum is σ = 213091027128. Its totient is φ = 60883150604.

The previous prime is 121766301191. The next prime is 121766301229. The reversal of 121766301212 is 212103667121.

It is a super-2 number, since 2×121766301212² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15220787648 + ... + 15220787655.

It is an arithmetic number, because the mean of its divisors is an integer number (35515171188).

Almost surely, 2^121766301212 is an apocalyptic number.

It is an amenable number.

121766301212 is a deficient number, since it is larger than the sum of its proper divisors (91324725916).

121766301212 is a wasteful number, since it uses less digits than its factorization.

121766301212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30441575307 (or 30441575305 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 32.

Adding to 121766301212 its reverse (212103667121), we get a palindrome (333869968333).

The spelling of 121766301212 in words is "one hundred twenty-one billion, seven hundred sixty-six million, three hundred one thousand, two hundred twelve".