12100122002 has 4 divisors (see below), whose sum is σ = 18150183006. Its totient is φ = 6050061000.

The previous prime is 12100121993. The next prime is 12100122053. The reversal of 12100122002 is 20022100121.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20022100121 = 32443 ⋅617147.

It can be written as a sum of positive squares in only one way, i.e., 10899568801 + 1200553201 = 104401^2 + 34649^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3025030499 + ... + 3025030502.

Almost surely, 2^12100122002 is an apocalyptic number.

12100122002 is a deficient number, since it is larger than the sum of its proper divisors (6050061004).

12100122002 is an equidigital number, since it uses as much as digits as its factorization.

12100122002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6050061003.

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

Adding to 12100122002 its reverse (20022100121), we get a palindrome (32122222123).

The spelling of 12100122002 in words is "twelve billion, one hundred million, one hundred twenty-two thousand, two".