30000121210033 has 32 divisors (see below), whose sum is σ = 33882981501600. Its totient is φ = 26368702488576.

The previous prime is 30000121209979. The next prime is 30000121210051. The reversal of 30000121210033 is 33001212100003.

It can be written as a sum of positive squares in 16 ways, for example, as 311931186064 + 29688190023969 = 558508^2 + 5448687^2 .

It is a cyclic number.

It is not a de Polignac number, because 30000121210033 - 2⁹ = 30000121209521 is a prime.

It is a super-2 number, since 2×30000121210033² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30000121209989 and 30000121210016.

It is not an unprimeable number, because it can be changed into a prime (30000121210063) 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, 321646341 + ... + 321739597.

It is an arithmetic number, because the mean of its divisors is an integer number (1058843171925).

Almost surely, 2^{30000121210033} is an apocalyptic number.

It is an amenable number.

30000121210033 is a deficient number, since it is larger than the sum of its proper divisors (3882860291567).

30000121210033 is a wasteful number, since it uses less digits than its factorization.

30000121210033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105061.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 30000121210033 its reverse (33001212100003), we get a palindrome (63001333310036).

The spelling of 30000121210033 in words is "thirty trillion, one hundred twenty-one million, two hundred ten thousand, thirty-three".