30211132321012 has 24 divisors (see below), whose sum is σ = 53086221505800. Its totient is φ = 15043727502336.

The previous prime is 30211132320923. The next prime is 30211132321031. The reversal of 30211132321012 is 21012323111203.

It can be written as a sum of positive squares in 4 ways, for example, as 5981957206416 + 24229175114596 = 2445804^2 + 4922314^2 .

It is a super-2 number, since 2×30211132321012² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9490837 + ... + 12267772.

It is an arithmetic number, because the mean of its divisors is an integer number (2211925896075).

Almost surely, 2^{30211132321012} is an apocalyptic number.

It is an amenable number.

30211132321012 is a deficient number, since it is larger than the sum of its proper divisors (22875089184788).

30211132321012 is a wasteful number, since it uses less digits than its factorization.

30211132321012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21760035 (or 21760033 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 30211132321012 its reverse (21012323111203), we get a palindrome (51223455432215).

The spelling of 30211132321012 in words is "thirty trillion, two hundred eleven billion, one hundred thirty-two million, three hundred twenty-one thousand, twelve".