121645606346 has 32 divisors (see below), whose sum is σ = 210586176000. Its totient is φ = 52120007280.

The previous prime is 121645606259. The next prime is 121645606387. The reversal of 121645606346 is 643606546121.

It is a junction number, because it is equal to n+sod(n) for n = 121645606297 and 121645606306.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 648020 + ... + 814383.

It is an arithmetic number, because the mean of its divisors is an integer number (6580818000).

Almost surely, 2^121645606346 is an apocalyptic number.

121645606346 is a deficient number, since it is larger than the sum of its proper divisors (88940569654).

121645606346 is a wasteful number, since it uses less digits than its factorization.

121645606346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1462634.

The product of its (nonzero) digits is 622080, while the sum is 44.

The spelling of 121645606346 in words is "one hundred twenty-one billion, six hundred forty-five million, six hundred six thousand, three hundred forty-six".