420212140222331 has 8 divisors (see below), whose sum is σ = 426502878397200. Its totient is φ = 413921958376608.

The previous prime is 420212140222291. The next prime is 420212140222351. The reversal of 420212140222331 is 133222041212024.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 420212140222331 - 2¹⁸ = 420212139960187 is a prime.

It is a super-2 number, since 2×420212140222331² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 420212140222294 and 420212140222303.

It is not an unprimeable number, because it can be changed into a prime (420212140222351) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137560196 + ... + 140581761.

It is an arithmetic number, because the mean of its divisors is an integer number (53312859799650).

Almost surely, 2^{420212140222331} is an apocalyptic number.

420212140222331 is a deficient number, since it is larger than the sum of its proper divisors (6290738174869).

420212140222331 is a wasteful number, since it uses less digits than its factorization.

420212140222331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278164573.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 420212140222331 its reverse (133222041212024), we get a palindrome (553434181434355).

The spelling of 420212140222331 in words is "four hundred twenty trillion, two hundred twelve billion, one hundred forty million, two hundred twenty-two thousand, three hundred thirty-one".