30112220215 has 32 divisors (see below), whose sum is σ = 45210364416. Its totient is φ = 18704856960.

The previous prime is 30112220183. The next prime is 30112220231. The reversal of 30112220215 is 51202221103.

It is not a de Polignac number, because 30112220215 - 2⁵ = 30112220183 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30112220192 and 30112220201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29232 + ... + 247141.

It is an arithmetic number, because the mean of its divisors is an integer number (1412823888).

Almost surely, 2^30112220215 is an apocalyptic number.

30112220215 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

30112220215 is a deficient number, since it is larger than the sum of its proper divisors (15098144201).

30112220215 is a wasteful number, since it uses less digits than its factorization.

30112220215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276679.

The product of its (nonzero) digits is 240, while the sum is 19.

Adding to 30112220215 its reverse (51202221103), we get a palindrome (81314441318).

The spelling of 30112220215 in words is "thirty billion, one hundred twelve million, two hundred twenty thousand, two hundred fifteen".