121341023016 has 32 divisors (see below), whose sum is σ = 303383844960. Its totient is φ = 40442836032.

The previous prime is 121341022997. The next prime is 121341023017. The reversal of 121341023016 is 610320143121.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (121341023017) 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, 18595 + ... + 492978.

It is an arithmetic number, because the mean of its divisors is an integer number (9480745155).

Almost surely, 2^121341023016 is an apocalyptic number.

It is an amenable number.

121341023016 is an abundant number, since it is smaller than the sum of its proper divisors (182042821944).

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

121341023016 is a wasteful number, since it uses less digits than its factorization.

121341023016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521465 (or 521461 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 121341023016 its reverse (610320143121), we get a palindrome (731661166137).

The spelling of 121341023016 in words is "one hundred twenty-one billion, three hundred forty-one million, twenty-three thousand, sixteen".