1401212212208 has 30 divisors (see below), whose sum is σ = 2838017615664. Its totient is φ = 670144967008.

The previous prime is 1401212212157. The next prime is 1401212212307. The reversal of 1401212212208 is 8022122121041.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 82766360 + ... + 82783287.

Almost surely, 2^{1401212212208} is an apocalyptic number.

It is an amenable number.

1401212212208 is an abundant number, since it is smaller than the sum of its proper divisors (1436805403456).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1401212212208 is a wasteful number, since it uses less digits than its factorization.

1401212212208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165549701 (or 165549672 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 26.

Adding to 1401212212208 its reverse (8022122121041), we get a palindrome (9423334333249).

The spelling of 1401212212208 in words is "one trillion, four hundred one billion, two hundred twelve million, two hundred twelve thousand, two hundred eight".