1012111210 has 32 divisors (see below), whose sum is σ = 2033646912. Its totient is φ = 359479680.

The previous prime is 1012111189. The next prime is 1012111231. The reversal of 1012111210 is 121112101.

It is an interprime number because it is at equal distance from previous prime (1012111189) and next prime (1012111231).

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102259 + ... + 111718.

It is an arithmetic number, because the mean of its divisors is an integer number (63551466).

Almost surely, 2^1012111210 is an apocalyptic number.

1012111210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1012111210 is an abundant number, since it is smaller than the sum of its proper divisors (1021535702).

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

1012111210 is a wasteful number, since it uses less digits than its factorization.

1012111210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214038.

The product of its (nonzero) digits is 4, while the sum is 10.

The square root of 1012111210 is about 31813.6953213549. The cubic root of 1012111210 is about 1004.0208808480.

Adding to 1012111210 its reverse (121112101), we get a palindrome (1133223311).

The spelling of 1012111210 in words is "one billion, twelve million, one hundred eleven thousand, two hundred ten".