30012132221331 has 32 divisors (see below), whose sum is σ = 43582300231680. Its totient is φ = 18259915939584.

The previous prime is 30012132221249. The next prime is 30012132221363. The reversal of 30012132221331 is 13312223121003.

It is a de Polignac number, because none of the positive numbers 2^k-30012132221331 is a prime.

It is a super-2 number, since 2×30012132221331² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30012132220331) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40615936 + ... + 41348258.

It is an arithmetic number, because the mean of its divisors is an integer number (1361946882240).

Almost surely, 2^{30012132221331} is an apocalyptic number.

30012132221331 is a deficient number, since it is larger than the sum of its proper divisors (13570168010349).

30012132221331 is a wasteful number, since it uses less digits than its factorization.

30012132221331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 744235.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 30012132221331 its reverse (13312223121003), we get a palindrome (43324355342334).

The spelling of 30012132221331 in words is "thirty trillion, twelve billion, one hundred thirty-two million, two hundred twenty-one thousand, three hundred thirty-one".