1220022212093 has 4 divisors (see below), whose sum is σ = 1220170840380. Its totient is φ = 1219873583808.

The previous prime is 1220022212081. The next prime is 1220022212107. The reversal of 1220022212093 is 3902122200221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 416421124249 + 803601087844 = 645307^2 + 896438^2 .

It is a cyclic number.

It is not a de Polignac number, because 1220022212093 - 2⁶ = 1220022212029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220027212093) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74301830 + ... + 74318247.

It is an arithmetic number, because the mean of its divisors is an integer number (305042710095).

Almost surely, 2^{1220022212093} is an apocalyptic number.

It is an amenable number.

1220022212093 is a deficient number, since it is larger than the sum of its proper divisors (148628287).

1220022212093 is an equidigital number, since it uses as much as digits as its factorization.

1220022212093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148628286.

The product of its (nonzero) digits is 1728, while the sum is 26.

The spelling of 1220022212093 in words is "one trillion, two hundred twenty billion, twenty-two million, two hundred twelve thousand, ninety-three".