1212104130 has 16 divisors (see below), whose sum is σ = 2909049984. Its totient is φ = 323227760.

The previous prime is 1212104057. The next prime is 1212104141. The reversal of 1212104130 is 314012121.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20201706 + ... + 20201765.

It is an arithmetic number, because the mean of its divisors is an integer number (181815624).

Almost surely, 2^1212104130 is an apocalyptic number.

1212104130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1212104130 is an abundant number, since it is smaller than the sum of its proper divisors (1696945854).

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

1212104130 is a wasteful number, since it uses less digits than its factorization.

1212104130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40403481.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1212104130 is about 34815.2858669866. The cubic root of 1212104130 is about 1066.2195555592.

Adding to 1212104130 its reverse (314012121), we get a palindrome (1526116251).

The spelling of 1212104130 in words is "one billion, two hundred twelve million, one hundred four thousand, one hundred thirty".