122109001012 has 6 divisors (see below), whose sum is σ = 213690751778. Its totient is φ = 61054500504.

The previous prime is 122109001009. The next prime is 122109001037. The reversal of 122109001012 is 210100901221.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 101463909156 + 20645091856 = 318534^2 + 143684^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15263625123 + ... + 15263625130.

Almost surely, 2^122109001012 is an apocalyptic number.

It is an amenable number.

122109001012 is a deficient number, since it is larger than the sum of its proper divisors (91581750766).

122109001012 is a wasteful number, since it uses less digits than its factorization.

122109001012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30527250257 (or 30527250255 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 122109001012 its reverse (210100901221), we get a palindrome (332209902233).

The spelling of 122109001012 in words is "one hundred twenty-two billion, one hundred nine million, one thousand, twelve".