421400001400212 has 24 divisors (see below), whose sum is σ = 983267131758912. Its totient is φ = 140466601158400.

The previous prime is 421400001400181. The next prime is 421400001400241. The reversal of 421400001400212 is 212004100004124.

It is a super-2 number, since 2×421400001400212² (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 7 ways as a sum of consecutive naturals, for example, 23147137 + ... + 37129367.

It is an arithmetic number, because the mean of its divisors is an integer number (40969463823288).

Almost surely, 2^{421400001400212} is an apocalyptic number.

It is an amenable number.

421400001400212 is an abundant number, since it is smaller than the sum of its proper divisors (561867130358700).

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

421400001400212 is a wasteful number, since it uses less digits than its factorization.

421400001400212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16493759 (or 16493757 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 421400001400212 its reverse (212004100004124), we get a palindrome (633404101404336).

The spelling of 421400001400212 in words is "four hundred twenty-one trillion, four hundred billion, one million, four hundred thousand, two hundred twelve".