1212142231224 has 80 divisors (see below), whose sum is σ = 3477928497120. Its totient is φ = 394192586880.

The previous prime is 1212142231177. The next prime is 1212142231271. The reversal of 1212142231224 is 4221322412121.

1212142231224 is a `hidden beast` number, since 1 + 2 + 1 + 214 + 223 + 1 + 224 = 666.

It is an interprime number because it is at equal distance from previous prime (1212142231177) and next prime (1212142231271).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 22785504 + ... + 22838639.

It is an arithmetic number, because the mean of its divisors is an integer number (43474106214).

Almost surely, 2^{1212142231224} is an apocalyptic number.

It is an amenable number.

1212142231224 is an abundant number, since it is smaller than the sum of its proper divisors (2265786265896).

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

1212142231224 is a wasteful number, since it uses less digits than its factorization.

1212142231224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45624202 (or 45624189 counting only the distinct ones).

The product of its digits is 3072, while the sum is 27.

Adding to 1212142231224 its reverse (4221322412121), we get a palindrome (5433464643345).

The spelling of 1212142231224 in words is "one trillion, two hundred twelve billion, one hundred forty-two million, two hundred thirty-one thousand, two hundred twenty-four".