1020012122 has 4 divisors (see below), whose sum is σ = 1530018186. Its totient is φ = 510006060.

The previous prime is 1020012113. The next prime is 1020012139. The reversal of 1020012122 is 2212100201.

It is a happy number.

1020012122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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., 866772481 + 153239641 = 29441^2 + 12379^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255003029 + ... + 255003032.

Almost surely, 2^1020012122 is an apocalyptic number.

1020012122 is a deficient number, since it is larger than the sum of its proper divisors (510006064).

1020012122 is an equidigital number, since it uses as much as digits as its factorization.

1020012122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510006063.

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

The square root of 1020012122 is about 31937.6286220502. The cubic root of 1020012122 is about 1006.6266972177.

Adding to 1020012122 its reverse (2212100201), we get a palindrome (3232112323).

It can be divided in two parts, 10200 and 12122, that added together give a palindrome (22322).

The spelling of 1020012122 in words is "one billion, twenty million, twelve thousand, one hundred twenty-two".