211230123300030 has 64 divisors (see below), whose sum is σ = 549865044122688. Its totient is φ = 51721579683840.

The previous prime is 211230123299933. The next prime is 211230123300041. The reversal of 211230123300030 is 30003321032112.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5050914607 + ... + 5050956426.

It is an arithmetic number, because the mean of its divisors is an integer number (8591641314417).

Almost surely, 2^{211230123300030} is an apocalyptic number.

211230123300030 is an abundant number, since it is smaller than the sum of its proper divisors (338634920822658).

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

211230123300030 is a wasteful number, since it uses less digits than its factorization.

211230123300030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10101871101.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 211230123300030 its reverse (30003321032112), we get a palindrome (241233444332142).

The spelling of 211230123300030 in words is "two hundred eleven trillion, two hundred thirty billion, one hundred twenty-three million, three hundred thousand, thirty".