122212011000020 has 12 divisors (see below), whose sum is σ = 256645223100084. Its totient is φ = 48884804400000.

The previous prime is 122212010999933. The next prime is 122212011000029. The reversal of 122212011000020 is 20000110212221.

It can be written as a sum of positive squares in 2 ways, for example, as 90536861587396 + 31675149412624 = 9515086^2 + 5628068^2 .

It is a junction number, because it is equal to n+sod(n) for n = 122212010999959 and 122212011000004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122212011000029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3055300274981 + ... + 3055300275020.

It is an arithmetic number, because the mean of its divisors is an integer number (21387101925007).

Almost surely, 2^{122212011000020} is an apocalyptic number.

122212011000020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122212011000020 is an abundant number, since it is smaller than the sum of its proper divisors (134433212100064).

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

122212011000020 is a wasteful number, since it uses less digits than its factorization.

122212011000020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6110600550010 (or 6110600550008 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 122212011000020 its reverse (20000110212221), we get a palindrome (142212121212241).

The spelling of 122212011000020 in words is "one hundred twenty-two trillion, two hundred twelve billion, eleven million, twenty", and thus it is an aban number.