121012311321002 has 8 divisors (see below), whose sum is σ = 181519276953312. Its totient is φ = 60505885669900.

The previous prime is 121012311320933. The next prime is 121012311321007. The reversal of 121012311321002 is 200123113210121.

121012311321002 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×121012311321002² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (121012311321007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134434574 + ... + 135331737.

It is an arithmetic number, because the mean of its divisors is an integer number (22689909619164).

Almost surely, 2^{121012311321002} is an apocalyptic number.

121012311321002 is a deficient number, since it is larger than the sum of its proper divisors (60506965632310).

121012311321002 is a wasteful number, since it uses less digits than its factorization.

121012311321002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269990604.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 121012311321002 its reverse (200123113210121), we get a palindrome (321135424531123).

The spelling of 121012311321002 in words is "one hundred twenty-one trillion, twelve billion, three hundred eleven million, three hundred twenty-one thousand, two".