121624332642419 has 32 divisors (see below), whose sum is σ = 127579373568000. Its totient is φ = 115790712710400.

The previous prime is 121624332642413. The next prime is 121624332642451. The reversal of 121624332642419 is 914246233426121.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121624332642419 is a prime.

It is a super-2 number, since 2×121624332642419² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121624332642413) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8335564814 + ... + 8335579404.

It is an arithmetic number, because the mean of its divisors is an integer number (3986855424000).

Almost surely, 2^{121624332642419} is an apocalyptic number.

121624332642419 is a deficient number, since it is larger than the sum of its proper divisors (5955040925581).

121624332642419 is a wasteful number, since it uses less digits than its factorization.

121624332642419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19259.

The product of its digits is 2985984, while the sum is 50.

The spelling of 121624332642419 in words is "one hundred twenty-one trillion, six hundred twenty-four billion, three hundred thirty-two million, six hundred forty-two thousand, four hundred nineteen".