122002100012 has 48 divisors (see below), whose sum is σ = 233216313792. Its totient is φ = 55504051200.

The previous prime is 122002100009. The next prime is 122002100119. The reversal of 122002100012 is 210001200221.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 122002099966 and 122002100002.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7002512 + ... + 7019912.

It is an arithmetic number, because the mean of its divisors is an integer number (4858673204).

Almost surely, 2^122002100012 is an apocalyptic number.

It is an amenable number.

122002100012 is a deficient number, since it is larger than the sum of its proper divisors (111214213780).

122002100012 is a wasteful number, since it uses less digits than its factorization.

122002100012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19338 (or 19336 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 122002100012 its reverse (210001200221), we get a palindrome (332003300233).

The spelling of 122002100012 in words is "one hundred twenty-two billion, two million, one hundred thousand, twelve".