1312002421022 has 16 divisors (see below), whose sum is σ = 1985495779872. Its totient is φ = 650170940160.

The previous prime is 1312002421013. The next prime is 1312002421043. The reversal of 1312002421022 is 2201242002131.

It is a junction number, because it is equal to n+sod(n) for n = 1312002420985 and 1312002421003.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 6714647 + ... + 6907277.

It is an arithmetic number, because the mean of its divisors is an integer number (124093486242).

Almost surely, 2^{1312002421022} is an apocalyptic number.

1312002421022 is a deficient number, since it is larger than the sum of its proper divisors (673493358850).

1312002421022 is a wasteful number, since it uses less digits than its factorization.

1312002421022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222883.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 1312002421022 its reverse (2201242002131), we get a palindrome (3513244423153).

The spelling of 1312002421022 in words is "one trillion, three hundred twelve billion, two million, four hundred twenty-one thousand, twenty-two".