1012012002 has 32 divisors (see below), whose sum is σ = 2250014400. Its totient is φ = 337172544.

The previous prime is 1012011971. The next prime is 1012012003. The reversal of 1012012002 is 2002102101.

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

It is not an unprimeable number, because it can be changed into a prime (1012012003) 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, 163773 + ... + 169839.

It is an arithmetic number, because the mean of its divisors is an integer number (70312950).

Almost surely, 2^1012012002 is an apocalyptic number.

1012012002 is an abundant number, since it is smaller than the sum of its proper divisors (1238002398).

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

1012012002 is a wasteful number, since it uses less digits than its factorization.

1012012002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9167 (or 9161 counting only the distinct ones).

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

The square root of 1012012002 is about 31812.1360804332. The cubic root of 1012012002 is about 1003.9880747831.

Adding to 1012012002 its reverse (2002102101), we get a palindrome (3014114103).

Subtracting 1012012002 from its reverse (2002102101), we obtain a palindrome (990090099).

It can be divided in two parts, 10120 and 12002, that added together give a palindrome (22122).

The spelling of 1012012002 in words is "one billion, twelve million, twelve thousand, two".