401222210412212 has 48 divisors (see below), whose sum is σ = 894365298771840. Its totient is φ = 153319765496832.

The previous prime is 401222210412173. The next prime is 401222210412223. The reversal of 401222210412212 is 212214012222104.

It is a super-2 number, since 2×401222210412212² (a number of 30 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 15 ways as a sum of consecutive naturals, for example, 22181669993 + ... + 22181688080.

It is an arithmetic number, because the mean of its divisors is an integer number (18632610391080).

Almost surely, 2^{401222210412212} is an apocalyptic number.

It is an amenable number.

401222210412212 is an abundant number, since it is smaller than the sum of its proper divisors (493143088359628).

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

401222210412212 is a wasteful number, since it uses less digits than its factorization.

401222210412212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44363358120 (or 44363358118 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 26.

Adding to 401222210412212 its reverse (212214012222104), we get a palindrome (613436222634316).

The spelling of 401222210412212 in words is "four hundred one trillion, two hundred twenty-two billion, two hundred ten million, four hundred twelve thousand, two hundred twelve".