121097517259452 has 24 divisors (see below), whose sum is σ = 282665797881936. Its totient is φ = 40350849904128.

The previous prime is 121097517259441. The next prime is 121097517259517. The reversal of 121097517259452 is 254952715790121.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1873614133 + ... + 1873678764.

It is an arithmetic number, because the mean of its divisors is an integer number (11777741578414).

Almost surely, 2^{121097517259452} is an apocalyptic number.

121097517259452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121097517259452 is an abundant number, since it is smaller than the sum of its proper divisors (161568280622484).

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

121097517259452 is a wasteful number, since it uses less digits than its factorization.

121097517259452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3747295597 (or 3747295595 counting only the distinct ones).

The product of its (nonzero) digits is 15876000, while the sum is 60.

The spelling of 121097517259452 in words is "one hundred twenty-one trillion, ninety-seven billion, five hundred seventeen million, two hundred fifty-nine thousand, four hundred fifty-two".