477421173612212 has 6 divisors (see below), whose sum is σ = 835487053821378. Its totient is φ = 238710586806104.

The previous prime is 477421173612211. The next prime is 477421173612247. The reversal of 477421173612212 is 212216371124774.

It can be written as a sum of positive squares in only one way, i.e., 246940984494736 + 230480189117476 = 15714356^2 + 15181574^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (477421173612211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59677646701523 + ... + 59677646701530.

It is an arithmetic number, because the mean of its divisors is an integer number (139247842303563).

Almost surely, 2^{477421173612212} is an apocalyptic number.

It is an amenable number.

477421173612212 is a deficient number, since it is larger than the sum of its proper divisors (358065880209166).

477421173612212 is a wasteful number, since it uses less digits than its factorization.

477421173612212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119355293403057 (or 119355293403055 counting only the distinct ones).

The product of its digits is 1580544, while the sum is 50.

The spelling of 477421173612212 in words is "four hundred seventy-seven trillion, four hundred twenty-one billion, one hundred seventy-three million, six hundred twelve thousand, two hundred twelve".