245401404212 has 12 divisors (see below), whose sum is σ = 429471446880. Its totient is φ = 122695276536.

The previous prime is 245401404133. The next prime is 245401404247. The reversal of 245401404212 is 212404104542.

It is a happy number.

It is a super-2 number, since 2×245401404212² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1253762 + ... + 1436217.

It is an arithmetic number, because the mean of its divisors is an integer number (35789287240).

Almost surely, 2^245401404212 is an apocalyptic number.

It is an amenable number.

245401404212 is a deficient number, since it is larger than the sum of its proper divisors (184070042668).

245401404212 is a wasteful number, since it uses less digits than its factorization.

245401404212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2712790 (or 2712788 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 29.

Adding to 245401404212 its reverse (212404104542), we get a palindrome (457805508754).

The spelling of 245401404212 in words is "two hundred forty-five billion, four hundred one million, four hundred four thousand, two hundred twelve".