1202011002122 has 40 divisors (see below), whose sum is σ = 2103817296672. Its totient is φ = 515043929400.

The previous prime is 1202011002121. The next prime is 1202011002209. The reversal of 1202011002122 is 2212001102021.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 1202011002097 and 1202011002106.

It is not an unprimeable number, because it can be changed into a prime (1202011002121) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 26825597 + ... + 26870367.

Almost surely, 2^{1202011002122} is an apocalyptic number.

1202011002122 is a deficient number, since it is larger than the sum of its proper divisors (901806294550).

1202011002122 is an frugal number, since it uses more digits than its factorization.

1202011002122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50392 (or 50371 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1202011002122 its reverse (2212001102021), we get a palindrome (3414012104143).

The spelling of 1202011002122 in words is "one trillion, two hundred two billion, eleven million, two thousand, one hundred twenty-two".