222012242002120 has 32 divisors (see below), whose sum is σ = 499535716361400. Its totient is φ = 88803444026368.

The previous prime is 222012242002099. The next prime is 222012242002121. The reversal of 222012242002120 is 21200242210222.

It can be written as a sum of positive squares in 4 ways, for example, as 132163948002564 + 89848293999556 = 11496258^2 + 9478834^2 .

It is a junction number, because it is equal to n+sod(n) for n = 222012242002091 and 222012242002100.

It is not an unprimeable number, because it can be changed into a prime (222012242002121) 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, 42921859 + ... + 47815378.

Almost surely, 2^{222012242002120} is an apocalyptic number.

222012242002120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222012242002120 is an abundant number, since it is smaller than the sum of its proper divisors (277523474359280).

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

222012242002120 is a wasteful number, since it uses less digits than its factorization.

222012242002120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90798417 (or 90798413 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 222012242002120 its reverse (21200242210222), we get a palindrome (243212484212342).

The spelling of 222012242002120 in words is "two hundred twenty-two trillion, twelve billion, two hundred forty-two million, two thousand, one hundred twenty".