1012122002 has 8 divisors (see below), whose sum is σ = 1520256396. Its totient is φ = 505369872.

The previous prime is 1012121989. The next prime is 1012122031. The reversal of 1012122002 is 2002212101.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1008126001 + 3996001 = 31751^2 + 1999^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 343733 + ... + 346664.

Almost surely, 2^1012122002 is an apocalyptic number.

1012122002 is a deficient number, since it is larger than the sum of its proper divisors (508134394).

1012122002 is an equidigital number, since it uses as much as digits as its factorization.

1012122002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 691132.

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

The square root of 1012122002 is about 31813.8649333903. The cubic root of 1012122002 is about 1004.0244494133.

Adding to 1012122002 its reverse (2002212101), we get a palindrome (3014334103).

Subtracting 1012122002 from its reverse (2002212101), we obtain a palindrome (990090099).

It can be divided in two parts, 10121 and 22002, that added together give a palindrome (32123).

The spelling of 1012122002 in words is "one billion, twelve million, one hundred twenty-two thousand, two".