1012210002 has 12 divisors (see below), whose sum is σ = 2193121710. Its totient is φ = 337403328.

The previous prime is 1012209977. The next prime is 1012210019. The reversal of 1012210002 is 2000122101.

It can be written as a sum of positive squares in only one way, i.e., 966525921 + 45684081 = 31089^2 + 6759^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28116927 + ... + 28116962.

Almost surely, 2^1012210002 is an apocalyptic number.

1012210002 is an abundant number, since it is smaller than the sum of its proper divisors (1180911708).

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

1012210002 is a wasteful number, since it uses less digits than its factorization.

1012210002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56233897 (or 56233894 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 1012210002 is about 31815.2479481144. The cubic root of 1012210002 is about 1004.0535472200.

Adding to 1012210002 its reverse (2000122101), we get a palindrome (3012332103).

The spelling of 1012210002 in words is "one billion, twelve million, two hundred ten thousand, two".