1220022122012 has 12 divisors (see below), whose sum is σ = 2135448624960. Its totient is φ = 609893943456.

The previous prime is 1220022122003. The next prime is 1220022122021. The reversal of 1220022122012 is 2102212200221.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1220022122003) and next prime (1220022122021).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29255948 + ... + 29297619.

It is an arithmetic number, because the mean of its divisors is an integer number (177954052080).

Almost surely, 2^{1220022122012} is an apocalyptic number.

It is an amenable number.

1220022122012 is a deficient number, since it is larger than the sum of its proper divisors (915426502948).

1220022122012 is a wasteful number, since it uses less digits than its factorization.

1220022122012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58558780 (or 58558778 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 1220022122012 its reverse (2102212200221), we get a palindrome (3322234322233).

The spelling of 1220022122012 in words is "one trillion, two hundred twenty billion, twenty-two million, one hundred twenty-two thousand, twelve".