20120212122010 has 768 divisors, whose sum is σ = 54095995183104. Its totient is φ = 5218836480000.

The previous prime is 20120212121981. The next prime is 20120212122011. The reversal of 20120212122010 is 1022121202102.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (20120212122011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 5860823254 + ... + 5860826686.

It is an arithmetic number, because the mean of its divisors is an integer number (70437493728).

Almost surely, 2^{20120212122010} is an apocalyptic number.

20120212122010 is an abundant number, since it is smaller than the sum of its proper divisors (33975783061094).

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

20120212122010 is a wasteful number, since it uses less digits than its factorization.

20120212122010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3631 (or 3620 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 20120212122010 its reverse (1022121202102), we get a palindrome (21142333324112).

The spelling of 20120212122010 in words is "twenty trillion, one hundred twenty billion, two hundred twelve million, one hundred twenty-two thousand, ten".