1200012130 has 32 divisors (see below), whose sum is σ = 2200359168. Its totient is φ = 471076800.

The previous prime is 1200012101. The next prime is 1200012173. The reversal of 1200012130 is 312100021.

It is a super-2 number, since 2×1200012130² = 2880058224294273800, which contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 304875 + ... + 308785.

It is an arithmetic number, because the mean of its divisors is an integer number (68761224).

Almost surely, 2^1200012130 is an apocalyptic number.

1200012130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1200012130 is a deficient number, since it is larger than the sum of its proper divisors (1000347038).

1200012130 is a wasteful number, since it uses less digits than its factorization.

1200012130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4482.

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

The square root of 1200012130 is about 34641.1912324042. The cubic root of 1200012130 is about 1062.6621497396.

Adding to 1200012130 its reverse (312100021), we get a palindrome (1512112151).

The spelling of 1200012130 in words is "one billion, two hundred million, twelve thousand, one hundred thirty".