1201122001002 has 64 divisors (see below), whose sum is σ = 3056128128000. Its totient is φ = 311979734640.

The previous prime is 1201122000983. The next prime is 1201122001033. The reversal of 1201122001002 is 2001002211021.

It is a super-2 number, since 2×1201122001002² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26506252 + ... + 26551527.

It is an arithmetic number, because the mean of its divisors is an integer number (47752002000).

Almost surely, 2^{1201122001002} is an apocalyptic number.

1201122001002 is an abundant number, since it is smaller than the sum of its proper divisors (1855006126998).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1201122001002 is a wasteful number, since it uses less digits than its factorization.

1201122001002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53057816 (or 53057802 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1201122001002 its reverse (2001002211021), we get a palindrome (3202124212023).

The spelling of 1201122001002 in words is "one trillion, two hundred one billion, one hundred twenty-two million, one thousand, two".