20122010021212 has 12 divisors (see below), whose sum is σ = 38414746404216. Its totient is φ = 9146368191440.

The previous prime is 20122010021207. The next prime is 20122010021213. The reversal of 20122010021212 is 21212001022102.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20122010021213) 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 3 ways as a sum of consecutive naturals, for example, 228659204743 + ... + 228659204830.

It is an arithmetic number, because the mean of its divisors is an integer number (3201228867018).

Almost surely, 2^{20122010021212} is an apocalyptic number.

20122010021212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20122010021212 is a deficient number, since it is larger than the sum of its proper divisors (18292736383004).

20122010021212 is a wasteful number, since it uses less digits than its factorization.

20122010021212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457318409588 (or 457318409586 counting only the distinct ones).

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

Adding to 20122010021212 its reverse (21212001022102), we get a palindrome (41334011043314).

The spelling of 20122010021212 in words is "twenty trillion, one hundred twenty-two billion, ten million, twenty-one thousand, two hundred twelve".