121452051065399 has 8 divisors (see below), whose sum is σ = 122678381577840. Its totient is φ = 120230254123200.

The previous prime is 121452051065383. The next prime is 121452051065459. The reversal of 121452051065399 is 993560150254121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 121452051065399 - 2⁴ = 121452051065383 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 121452051065399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121452051065299) 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, 1133338712 + ... + 1133445869.

It is an arithmetic number, because the mean of its divisors is an integer number (15334797697230).

Almost surely, 2^{121452051065399} is an apocalyptic number.

121452051065399 is a deficient number, since it is larger than the sum of its proper divisors (1226330512441).

121452051065399 is a wasteful number, since it uses less digits than its factorization.

121452051065399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2266785121.

The product of its (nonzero) digits is 2916000, while the sum is 53.

The spelling of 121452051065399 in words is "one hundred twenty-one trillion, four hundred fifty-two billion, fifty-one million, sixty-five thousand, three hundred ninety-nine".