30132121210 has 32 divisors (see below), whose sum is σ = 56271739392. Its totient is φ = 11604815040.

The previous prime is 30132121207. The next prime is 30132121231. The reversal of 30132121210 is 1212123103.

It is a super-2 number, since 2×30132121210² (a number of 22 digits) contains 22 as substring.

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, 185632 + ... + 307771.

It is an arithmetic number, because the mean of its divisors is an integer number (1758491856).

Almost surely, 2^30132121210 is an apocalyptic number.

30132121210 is a deficient number, since it is larger than the sum of its proper divisors (26139618182).

30132121210 is a wasteful number, since it uses less digits than its factorization.

30132121210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493638.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 30132121210 its reverse (1212123103), we get a palindrome (31344244313).

The spelling of 30132121210 in words is "thirty billion, one hundred thirty-two million, one hundred twenty-one thousand, two hundred ten".