1220120012013 has 16 divisors (see below), whose sum is σ = 1859717198976. Its totient is φ = 697028921280.

The previous prime is 1220120012011. The next prime is 1220120012029. The reversal of 1220120012013 is 3102100210221.

It is not a de Polignac number, because 1220120012013 - 2¹ = 1220120012011 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1220120011983 and 1220120012001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220120012011) 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, 7522606 + ... + 7683087.

It is an arithmetic number, because the mean of its divisors is an integer number (116232324936).

Almost surely, 2^{1220120012013} is an apocalyptic number.

It is an amenable number.

1220120012013 is a deficient number, since it is larger than the sum of its proper divisors (639597186963).

1220120012013 is a wasteful number, since it uses less digits than its factorization.

1220120012013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15209524.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 1220120012013 its reverse (3102100210221), we get a palindrome (4322220222234).

The spelling of 1220120012013 in words is "one trillion, two hundred twenty billion, one hundred twenty million, twelve thousand, thirteen".