1312020122002 has 32 divisors (see below), whose sum is σ = 2044939368960. Its totient is φ = 630665619840.

The previous prime is 1312020121981. The next prime is 1312020122003. The reversal of 1312020122002 is 2002210202131.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1312020122003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6329824 + ... + 6533812.

It is an arithmetic number, because the mean of its divisors is an integer number (63904355280).

Almost surely, 2^{1312020122002} is an apocalyptic number.

1312020122002 is a deficient number, since it is larger than the sum of its proper divisors (732919246958).

1312020122002 is a wasteful number, since it uses less digits than its factorization.

1312020122002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204706.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 1312020122002 its reverse (2002210202131), we get a palindrome (3314230324133).

The spelling of 1312020122002 in words is "one trillion, three hundred twelve billion, twenty million, one hundred twenty-two thousand, two".