122011000000212 has 96 divisors (see below), whose sum is σ = 292452454497280. Its totient is φ = 39569356189440.

The previous prime is 122011000000189. The next prime is 122011000000217. The reversal of 122011000000212 is 212000000110221.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122011000000217) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 192512313 + ... + 193145055.

Almost surely, 2^{122011000000212} is an apocalyptic number.

122011000000212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

122011000000212 is an abundant number, since it is smaller than the sum of its proper divisors (170441454497068).

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

122011000000212 is a wasteful number, since it uses less digits than its factorization.

122011000000212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 634253 (or 634251 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 122011000000212 its reverse (212000000110221), we get a palindrome (334011000110433).

The spelling of 122011000000212 in words is "one hundred twenty-two trillion, eleven billion, two hundred twelve", and thus it is an aban number.