1312002121010 has 256 divisors, whose sum is σ = 2848578969600. Its totient is φ = 434754028800.

The previous prime is 1312002120941. The next prime is 1312002121037. The reversal of 1312002121010 is 101212002131.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2961629849 + ... + 2961630291.

It is an arithmetic number, because the mean of its divisors is an integer number (11127261600).

Almost surely, 2^{1312002121010} is an apocalyptic number.

1312002121010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1312002121010 is an abundant number, since it is smaller than the sum of its proper divisors (1536576848590).

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

1312002121010 is a wasteful number, since it uses less digits than its factorization.

1312002121010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 758 (or 744 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 1312002121010 its reverse (101212002131), we get a palindrome (1413214123141).

The spelling of 1312002121010 in words is "one trillion, three hundred twelve billion, two million, one hundred twenty-one thousand, ten".