1211020002007 has 2 divisors, whose sum is σ = 1211020002008. Its totient is φ = 1211020002006.

The previous prime is 1211020001999. The next prime is 1211020002047. The reversal of 1211020002007 is 7002000201121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1211020002007 - 2³ = 1211020001999 is a prime.

It is a super-2 number, since 2×1211020002007² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1211020002047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 605510001003 + 605510001004.

It is an arithmetic number, because the mean of its divisors is an integer number (605510001004).

Almost surely, 2^{1211020002007} is an apocalyptic number.

1211020002007 is a deficient number, since it is larger than the sum of its proper divisors (1).

1211020002007 is an equidigital number, since it uses as much as digits as its factorization.

1211020002007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56, while the sum is 16.

Adding to 1211020002007 its reverse (7002000201121), we get a palindrome (8213020203128).

The spelling of 1211020002007 in words is "one trillion, two hundred eleven billion, twenty million, two thousand, seven".