121203030321296 has 80 divisors (see below), whose sum is σ = 293387376291840. Its totient is φ = 47123375168640.

The previous prime is 121203030321277. The next prime is 121203030321299. The reversal of 121203030321296 is 692123030302121.

It is a super-2 number, since 2×121203030321296² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (121203030321299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102102026 + ... + 103282281.

It is an arithmetic number, because the mean of its divisors is an integer number (3667342203648).

Almost surely, 2^{121203030321296} is an apocalyptic number.

121203030321296 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

121203030321296 is an abundant number, since it is smaller than the sum of its proper divisors (172184345970544).

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

121203030321296 is a wasteful number, since it uses less digits than its factorization.

121203030321296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205384812 (or 205384806 counting only the distinct ones).

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

The spelling of 121203030321296 in words is "one hundred twenty-one trillion, two hundred three billion, thirty million, three hundred twenty-one thousand, two hundred ninety-six".