1001211002012 has 24 divisors (see below), whose sum is σ = 1890047796000. Its totient is φ = 461325923136.

The previous prime is 1001211002009. The next prime is 1001211002053. The reversal of 1001211002012 is 2102001121001.

It is a junction number, because it is equal to n+sod(n) for n = 1001211001984 and 1001211002002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16040687 + ... + 16102982.

It is an arithmetic number, because the mean of its divisors is an integer number (78751991500).

Almost surely, 2^{1001211002012} is an apocalyptic number.

It is an amenable number.

1001211002012 is a deficient number, since it is larger than the sum of its proper divisors (888836793988).

1001211002012 is a wasteful number, since it uses less digits than its factorization.

1001211002012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32144285 (or 32144283 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1001211002012 its reverse (2102001121001), we get a palindrome (3103212123013).

The spelling of 1001211002012 in words is "one trillion, one billion, two hundred eleven million, two thousand, twelve".