401415212 has 12 divisors (see below), whose sum is σ = 766338216. Its totient is φ = 182461440.

The previous prime is 401415199. The next prime is 401415233. The reversal of 401415212 is 212514104.

It is a happy number.

It is a super-2 number, since 2×401415212² = 322268344850009888, which contains 22 as substring.

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, 4561493 + ... + 4561580.

It is an arithmetic number, because the mean of its divisors is an integer number (63861518).

Almost surely, 2^401415212 is an apocalyptic number.

It is an amenable number.

401415212 is a deficient number, since it is larger than the sum of its proper divisors (364923004).

401415212 is a wasteful number, since it uses less digits than its factorization.

401415212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9123088 (or 9123086 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 401415212 is about 20035.3490610970. The cubic root of 401415212 is about 737.6742245476.

Adding to 401415212 its reverse (212514104), we get a palindrome (613929316).

The spelling of 401415212 in words is "four hundred one million, four hundred fifteen thousand, two hundred twelve".