1202120030312 has 16 divisors (see below), whose sum is σ = 2292178024800. Its totient is φ = 590872557040.

The previous prime is 1202120030227. The next prime is 1202120030327. The reversal of 1202120030312 is 2130300212021.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1273431764 + ... + 1273432707.

It is an arithmetic number, because the mean of its divisors is an integer number (143261126550).

Almost surely, 2^{1202120030312} is an apocalyptic number.

It is an amenable number.

1202120030312 is a deficient number, since it is larger than the sum of its proper divisors (1090057994488).

1202120030312 is a wasteful number, since it uses less digits than its factorization.

1202120030312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2546864536 (or 2546864532 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 1202120030312 its reverse (2130300212021), we get a palindrome (3332420242333).

The spelling of 1202120030312 in words is "one trillion, two hundred two billion, one hundred twenty million, thirty thousand, three hundred twelve".