121514513021045 has 8 divisors (see below), whose sum is σ = 145819872846720. Its totient is φ = 97209972269200.

The previous prime is 121514513020991. The next prime is 121514513021047. The reversal of 121514513021045 is 540120315415121.

It is a happy number.

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

It is not a de Polignac number, because 121514513021045 - 2⁶ = 121514513020981 is a prime.

It is a super-2 number, since 2×121514513021045² (a number of 29 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 121514513020996 and 121514513021014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121514513021047) 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, 204442025 + ... + 205035534.

It is an arithmetic number, because the mean of its divisors is an integer number (18227484105840).

Almost surely, 2^{121514513021045} is an apocalyptic number.

It is an amenable number.

121514513021045 is a deficient number, since it is larger than the sum of its proper divisors (24305359825675).

121514513021045 is an equidigital number, since it uses as much as digits as its factorization.

121514513021045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409536915.

The product of its (nonzero) digits is 24000, while the sum is 35.

Adding to 121514513021045 its reverse (540120315415121), we get a palindrome (661634828436166).

The spelling of 121514513021045 in words is "one hundred twenty-one trillion, five hundred fourteen billion, five hundred thirteen million, twenty-one thousand, forty-five".