1201211011002 has 16 divisors (see below), whose sum is σ = 2528865286560. Its totient is φ = 379329792912.

The previous prime is 1201211011001. The next prime is 1201211011109. The reversal of 1201211011002 is 2001101121021.

It is not an unprimeable number, because it can be changed into a prime (1201211011001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5268469233 + ... + 5268469460.

It is an arithmetic number, because the mean of its divisors is an integer number (158054080410).

Almost surely, 2^{1201211011002} is an apocalyptic number.

1201211011002 is an abundant number, since it is smaller than the sum of its proper divisors (1327654275558).

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

1201211011002 is a wasteful number, since it uses less digits than its factorization.

1201211011002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10536938717.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1201211011002 its reverse (2001101121021), we get a palindrome (3202312132023).

The spelling of 1201211011002 in words is "one trillion, two hundred one billion, two hundred eleven million, eleven thousand, two".