1212110030 has 32 divisors (see below), whose sum is σ = 2314725984. Its totient is φ = 455417856.

The previous prime is 1212109999. The next prime is 1212110041. The reversal of 1212110030 is 300112121.

It is a junction number, because it is equal to n+sod(n) for n = 1212109993 and 1212110020.

It is a congruent number.

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, 82094 + ... + 95726.

It is an arithmetic number, because the mean of its divisors is an integer number (72335187).

Almost surely, 2^1212110030 is an apocalyptic number.

1212110030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1212110030 is a deficient number, since it is larger than the sum of its proper divisors (1102615954).

1212110030 is a wasteful number, since it uses less digits than its factorization.

1212110030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14180.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 1212110030 is about 34815.3705997796. The cubic root of 1212110030 is about 1066.2212855220.

Adding to 1212110030 its reverse (300112121), we get a palindrome (1512222151).

The spelling of 1212110030 in words is "one billion, two hundred twelve million, one hundred ten thousand, thirty".