20121234010 has 16 divisors (see below), whose sum is σ = 36291994272. Its totient is φ = 8032099600.

The previous prime is 20121233989. The next prime is 20121234013. The reversal of 20121234010 is 1043212102.

It is not an unprimeable number, because it can be changed into a prime (20121234013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2044096 + ... + 2053915.

It is an arithmetic number, because the mean of its divisors is an integer number (2268249642).

Almost surely, 2^20121234010 is an apocalyptic number.

20121234010 is a deficient number, since it is larger than the sum of its proper divisors (16170760262).

20121234010 is a wasteful number, since it uses less digits than its factorization.

20121234010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4098509.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 20121234010 its reverse (1043212102), we get a palindrome (21164446112).

The spelling of 20121234010 in words is "twenty billion, one hundred twenty-one million, two hundred thirty-four thousand, ten".