30121223010 has 32 divisors (see below), whose sum is σ = 72360587520. Its totient is φ = 8024587008.

The previous prime is 30121223003. The next prime is 30121223021. The reversal of 30121223010 is 1032212103.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 452007 + ... + 514346.

It is an arithmetic number, because the mean of its divisors is an integer number (2261268360).

Almost surely, 2^30121223010 is an apocalyptic number.

30121223010 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30121223010 is an abundant number, since it is smaller than the sum of its proper divisors (42239364510).

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

30121223010 is a wasteful number, since it uses less digits than its factorization.

30121223010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 967402.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 30121223010 its reverse (1032212103), we get a palindrome (31153435113).

The spelling of 30121223010 in words is "thirty billion, one hundred twenty-one million, two hundred twenty-three thousand, ten".