1401212212207 has 4 divisors (see below), whose sum is σ = 1402427488480. Its totient is φ = 1399996935936.

The previous prime is 1401212212157. The next prime is 1401212212307. The reversal of 1401212212207 is 7022122121041.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1401212212207 - 2²⁷ = 1401077994479 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 (1401212212307) 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 in 3 ways as a sum of consecutive naturals, for example, 607636407 + ... + 607638712.

It is an arithmetic number, because the mean of its divisors is an integer number (350606872120).

Almost surely, 2^{1401212212207} is an apocalyptic number.

1401212212207 is a deficient number, since it is larger than the sum of its proper divisors (1215276273).

1401212212207 is a wasteful number, since it uses less digits than its factorization.

1401212212207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1215276272.

The product of its (nonzero) digits is 896, while the sum is 25.

Adding to 1401212212207 its reverse (7022122121041), we get a palindrome (8423334333248).

The spelling of 1401212212207 in words is "one trillion, four hundred one billion, two hundred twelve million, two hundred twelve thousand, two hundred seven".