1202122000001 has 24 divisors (see below), whose sum is σ = 1322683212960. Its totient is φ = 1091807773056.

The previous prime is 1202121999979. The next prime is 1202122000003. The reversal of 1202122000001 is 1000002212021.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-1202122000001 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1202122000003) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9664661 + ... + 9788253.

It is an arithmetic number, because the mean of its divisors is an integer number (55111800540).

Almost surely, 2^{1202122000001} is an apocalyptic number.

It is an amenable number.

1202122000001 is a deficient number, since it is larger than the sum of its proper divisors (120561212959).

1202122000001 is a wasteful number, since it uses less digits than its factorization.

1202122000001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124545 (or 124532 counting only the distinct ones).

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

Adding to 1202122000001 its reverse (1000002212021), we get a palindrome (2202124212022).

The spelling of 1202122000001 in words is "one trillion, two hundred two billion, one hundred twenty-two million, one", and thus it is an aban number.