30112001821356 has 96 divisors (see below), whose sum is σ = 91026834178560. Its totient is φ = 7523646488064.

The previous prime is 30112001821309. The next prime is 30112001821357. The reversal of 30112001821356 is 65312810021103.

It is a super-2 number, since 2×30112001821356² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30112001821357) 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, 725639601 + ... + 725681096.

It is an arithmetic number, because the mean of its divisors is an integer number (948196189360).

Almost surely, 2^{30112001821356} is an apocalyptic number.

It is an amenable number.

30112001821356 is an abundant number, since it is smaller than the sum of its proper divisors (60914832357204).

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

30112001821356 is a wasteful number, since it uses less digits than its factorization.

30112001821356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1451320743 (or 1451320741 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 33.

Adding to 30112001821356 its reverse (65312810021103), we get a palindrome (95424811842459).

The spelling of 30112001821356 in words is "thirty trillion, one hundred twelve billion, one million, eight hundred twenty-one thousand, three hundred fifty-six".