1020012130 has 32 divisors (see below), whose sum is σ = 1858707648. Its totient is φ = 402984000.

The previous prime is 1020012113. The next prime is 1020012139. The reversal of 1020012130 is 312100201.

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

It is not an unprimeable number, because it can be changed into a prime (1020012139) 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, 527265 + ... + 529195.

It is an arithmetic number, because the mean of its divisors is an integer number (58084614).

Almost surely, 2^1020012130 is an apocalyptic number.

1020012130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1020012130 is a deficient number, since it is larger than the sum of its proper divisors (838695518).

1020012130 is a wasteful number, since it uses less digits than its factorization.

1020012130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2562.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 1020012130 is about 31937.6287472943. The cubic root of 1020012130 is about 1006.6266998493.

Adding to 1020012130 its reverse (312100201), we get a palindrome (1332112331).

The spelling of 1020012130 in words is "one billion, twenty million, twelve thousand, one hundred thirty".