1202022012112 has 20 divisors (see below), whose sum is σ = 2329225900036. Its totient is φ = 600931457280.

The previous prime is 1202022012101. The next prime is 1202022012119. The reversal of 1202022012112 is 2112102202021.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 87950206096 + 1114071806016 = 296564^2 + 1055496^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202022012119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4847043 + ... + 5088994.

Almost surely, 2^{1202022012112} is an apocalyptic number.

It is an amenable number.

1202022012112 is a deficient number, since it is larger than the sum of its proper divisors (1127203887924).

1202022012112 is an equidigital number, since it uses as much as digits as its factorization.

1202022012112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9943606 (or 9943600 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1202022012112 its reverse (2112102202021), we get a palindrome (3314124214133).

The spelling of 1202022012112 in words is "one trillion, two hundred two billion, twenty-two million, twelve thousand, one hundred twelve".