1302312221010 has 48 divisors (see below), whose sum is σ = 3386282215680. Its totient is φ = 347255521440.

The previous prime is 1302312221009. The next prime is 1302312221083. The reversal of 1302312221010 is 101222132031.

1302312221010 is a `hidden beast` number, since 130 + 2 + 312 + 2 + 210 + 10 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 567775 + ... + 1710845.

It is an arithmetic number, because the mean of its divisors is an integer number (70547546160).

Almost surely, 2^{1302312221010} is an apocalyptic number.

1302312221010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1302312221010 is an abundant number, since it is smaller than the sum of its proper divisors (2083969994670).

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

1302312221010 is a wasteful number, since it uses less digits than its factorization.

1302312221010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1155743 (or 1155740 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 1302312221010 its reverse (101222132031), we get a palindrome (1403534353041).

The spelling of 1302312221010 in words is "one trillion, three hundred two billion, three hundred twelve million, two hundred twenty-one thousand, ten".