121223331296 has 12 divisors (see below), whose sum is σ = 238658433552. Its totient is φ = 60611665632.

The previous prime is 121223331239. The next prime is 121223331311. The reversal of 121223331296 is 692133322121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1894114520 + ... + 1894114583.

It is an arithmetic number, because the mean of its divisors is an integer number (19888202796).

Almost surely, 2^121223331296 is an apocalyptic number.

121223331296 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

121223331296 is a deficient number, since it is larger than the sum of its proper divisors (117435102256).

121223331296 is an equidigital number, since it uses as much as digits as its factorization.

121223331296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3788229113 (or 3788229105 counting only the distinct ones).

The product of its digits is 23328, while the sum is 35.

The spelling of 121223331296 in words is "one hundred twenty-one billion, two hundred twenty-three million, three hundred thirty-one thousand, two hundred ninety-six".