222012312331420 has 48 divisors (see below), whose sum is σ = 502223885704800. Its totient is φ = 81951817280256.

The previous prime is 222012312331379. The next prime is 222012312331457. The reversal of 222012312331420 is 24133213210222.

It is a happy number.

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, 113400370 + ... + 115341529.

It is an arithmetic number, because the mean of its divisors is an integer number (10462997618850).

Almost surely, 2^{222012312331420} is an apocalyptic number.

222012312331420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222012312331420 is an abundant number, since it is smaller than the sum of its proper divisors (280211573373380).

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

222012312331420 is a wasteful number, since it uses less digits than its factorization.

222012312331420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228745654 (or 228745652 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 222012312331420 its reverse (24133213210222), we get a palindrome (246145525541642).

The spelling of 222012312331420 in words is "two hundred twenty-two trillion, twelve billion, three hundred twelve million, three hundred thirty-one thousand, four hundred twenty".