1320001113212 has 6 divisors (see below), whose sum is σ = 2310001948128. Its totient is φ = 660000556604.

The previous prime is 1320001113187. The next prime is 1320001113217. The reversal of 1320001113212 is 2123111000231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320001113217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165000139148 + ... + 165000139155.

It is an arithmetic number, because the mean of its divisors is an integer number (385000324688).

Almost surely, 2^{1320001113212} is an apocalyptic number.

It is an amenable number.

1320001113212 is a deficient number, since it is larger than the sum of its proper divisors (990000834916).

1320001113212 is a wasteful number, since it uses less digits than its factorization.

1320001113212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330000278307 (or 330000278305 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 1320001113212 its reverse (2123111000231), we get a palindrome (3443112113443).

The spelling of 1320001113212 in words is "one trillion, three hundred twenty billion, one million, one hundred thirteen thousand, two hundred twelve".