1210021212007 has 2 divisors, whose sum is σ = 1210021212008. Its totient is φ = 1210021212006.

The previous prime is 1210021211983. The next prime is 1210021212109. The reversal of 1210021212007 is 7002121200121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1210021212007 - 2¹⁵ = 1210021179239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1210021272007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 605010606003 + 605010606004.

It is an arithmetic number, because the mean of its divisors is an integer number (605010606004).

Almost surely, 2^{1210021212007} is an apocalyptic number.

1210021212007 is a deficient number, since it is larger than the sum of its proper divisors (1).

1210021212007 is an equidigital number, since it uses as much as digits as its factorization.

1210021212007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112, while the sum is 19.

Adding to 1210021212007 its reverse (7002121200121), we get a palindrome (8212142412128).

The spelling of 1210021212007 in words is "one trillion, two hundred ten billion, twenty-one million, two hundred twelve thousand, seven".