1220010122 has 4 divisors (see below), whose sum is σ = 1830015186. Its totient is φ = 610005060.

The previous prime is 1220010107. The next prime is 1220010149. The reversal of 1220010122 is 2210100221.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 1200553201 + 19456921 = 34649^2 + 4411^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305002529 + ... + 305002532.

Almost surely, 2^1220010122 is an apocalyptic number.

1220010122 is a deficient number, since it is larger than the sum of its proper divisors (610005064).

1220010122 is an equidigital number, since it uses as much as digits as its factorization.

1220010122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 610005063.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 1220010122 is about 34928.6432888539. The cubic root of 1220010122 is about 1068.5326852385.

Adding to 1220010122 its reverse (2210100221), we get a palindrome (3430110343).

Subtracting 1220010122 from its reverse (2210100221), we obtain a palindrome (990090099).

It can be divided in two parts, 12200 and 10122, that added together give a palindrome (22322).

The spelling of 1220010122 in words is "one billion, two hundred twenty million, ten thousand, one hundred twenty-two".