1212030112 has 12 divisors (see below), whose sum is σ = 2386184346. Its totient is φ = 606015040.

The previous prime is 1212030107. The next prime is 1212030139. The reversal of 1212030112 is 2110302121.

It can be written as a sum of positive squares in only one way, i.e., 618815376 + 593214736 = 24876^2 + 24356^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1212030092 and 1212030101.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18937939 + ... + 18938002.

Almost surely, 2^1212030112 is an apocalyptic number.

It is an amenable number.

1212030112 is a deficient number, since it is larger than the sum of its proper divisors (1174154234).

1212030112 is an equidigital number, since it uses as much as digits as its factorization.

1212030112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37875951 (or 37875943 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 1212030112 is about 34814.2228406725. Note that the first 3 decimals coincide. The cubic root of 1212030112 is about 1066.1978519658.

Adding to 1212030112 its reverse (2110302121), we get a palindrome (3322332233).

The spelling of 1212030112 in words is "one billion, two hundred twelve million, thirty thousand, one hundred twelve".