1220000020122 has 32 divisors (see below), whose sum is σ = 2782262492352. Its totient is φ = 353303172864.

The previous prime is 1220000020121. The next prime is 1220000020123. The reversal of 1220000020122 is 2210200000221.

It is an interprime number because it is at equal distance from previous prime (1220000020121) and next prime (1220000020123).

It is a junction number, because it is equal to n+sod(n) for n = 1220000020098 and 1220000020107.

It is not an unprimeable number, because it can be changed into a prime (1220000020121) 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, 460028848 + ... + 460031499.

It is an arithmetic number, because the mean of its divisors is an integer number (86945702886).

Almost surely, 2^{1220000020122} is an apocalyptic number.

1220000020122 is an abundant number, since it is smaller than the sum of its proper divisors (1562262472230).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1220000020122 is a wasteful number, since it uses less digits than its factorization.

1220000020122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 920060382.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 1220000020122 its reverse (2210200000221), we get a palindrome (3430200020343).

The spelling of 1220000020122 in words is "one trillion, two hundred twenty billion, twenty thousand, one hundred twenty-two".