122101012 has 24 divisors (see below), whose sum is σ = 233503200. Its totient is φ = 55404960.

The previous prime is 122101009. The next prime is 122101013. The reversal of 122101012 is 210101221.

It is a self number, because there is not a number n which added to its sum of digits gives 122101012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122101013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27739 + ... + 31837.

It is an arithmetic number, because the mean of its divisors is an integer number (9729300).

Almost surely, 2^122101012 is an apocalyptic number.

It is an amenable number.

122101012 is a deficient number, since it is larger than the sum of its proper divisors (111402188).

122101012 is a wasteful number, since it uses less digits than its factorization.

122101012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4791 (or 4789 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 122101012 is about 11049.9326694781. The cubic root of 122101012 is about 496.1044102517.

Adding to 122101012 its reverse (210101221), we get a palindrome (332202233).

The spelling of 122101012 in words is "one hundred twenty-two million, one hundred one thousand, twelve".