121215354023045 has 8 divisors (see below), whose sum is σ = 145466185620096. Its totient is φ = 96967109356816.

The previous prime is 121215354023021. The next prime is 121215354023143. The reversal of 121215354023045 is 540320453512121.

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 121215354023045 - 2¹⁴ = 121215354006661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 646629617 + ... + 646817046.

It is an arithmetic number, because the mean of its divisors is an integer number (18183273202512).

Almost surely, 2^{121215354023045} is an apocalyptic number.

It is an amenable number.

121215354023045 is a deficient number, since it is larger than the sum of its proper divisors (24250831597051).

121215354023045 is a wasteful number, since it uses less digits than its factorization.

121215354023045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1293465411.

The product of its (nonzero) digits is 144000, while the sum is 38.

The spelling of 121215354023045 in words is "one hundred twenty-one trillion, two hundred fifteen billion, three hundred fifty-four million, twenty-three thousand, forty-five".