1230215121306 has 48 divisors (see below), whose sum is σ = 2683029349728. Its totient is φ = 407374466400.

The previous prime is 1230215121299. The next prime is 1230215121313. The reversal of 1230215121306 is 6031215120321.

1230215121306 is a `hidden beast` number, since 1 + 2 + 302 + 1 + 51 + 2 + 1 + 306 = 666.

It is an interprime number because it is at equal distance from previous prime (1230215121299) and next prime (1230215121313).

It is a self number, because there is not a number n which added to its sum of digits gives 1230215121306.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2885961 + ... + 3284691.

It is an arithmetic number, because the mean of its divisors is an integer number (55896444786).

Almost surely, 2^{1230215121306} is an apocalyptic number.

1230215121306 is an abundant number, since it is smaller than the sum of its proper divisors (1452814228422).

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

1230215121306 is a wasteful number, since it uses less digits than its factorization.

1230215121306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399867 (or 399864 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The spelling of 1230215121306 in words is "one trillion, two hundred thirty billion, two hundred fifteen million, one hundred twenty-one thousand, three hundred six".