121000020230012 has 24 divisors (see below), whose sum is σ = 264000044138880. Its totient is φ = 47142865024560.

The previous prime is 121000020229909. The next prime is 121000020230017. The reversal of 121000020230012 is 210032020000121.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121000020230017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 196428603962 + ... + 196428604577.

It is an arithmetic number, because the mean of its divisors is an integer number (11000001839120).

Almost surely, 2^{121000020230012} is an apocalyptic number.

It is an amenable number.

121000020230012 is an abundant number, since it is smaller than the sum of its proper divisors (143000023908868).

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

121000020230012 is a wasteful number, since it uses less digits than its factorization.

121000020230012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392857208561 (or 392857208559 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 121000020230012 its reverse (210032020000121), we get a palindrome (331032040230133).

The spelling of 121000020230012 in words is "one hundred twenty-one trillion, twenty million, two hundred thirty thousand, twelve".