121210120212007 has 32 divisors (see below), whose sum is σ = 128787786680832. Its totient is φ = 113836336103424.

The previous prime is 121210120212001. The next prime is 121210120212029. The reversal of 121210120212007 is 700212021012121.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121210120212007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121210120212001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1420726983 + ... + 1420812295.

It is an arithmetic number, because the mean of its divisors is an integer number (4024618333776).

Almost surely, 2^{121210120212007} is an apocalyptic number.

121210120212007 is a deficient number, since it is larger than the sum of its proper divisors (7577666468825).

121210120212007 is a wasteful number, since it uses less digits than its factorization.

121210120212007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88407.

The product of its (nonzero) digits is 224, while the sum is 22.

Adding to 121210120212007 its reverse (700212021012121), we get a palindrome (821422141224128).

The spelling of 121210120212007 in words is "one hundred twenty-one trillion, two hundred ten billion, one hundred twenty million, two hundred twelve thousand, seven".