1022202212112 has 30 divisors (see below), whose sum is σ = 2860746469022. Its totient is φ = 340734070656.

The previous prime is 1022202212107. The next prime is 1022202212131. The reversal of 1022202212112 is 2112122022201.

It is a happy number.

1022202212112 is a `hidden beast` number, since 10 + 2 + 220 + 221 + 211 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 804221542656 + 217980669456 = 896784^2 + 466884^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3549313093 + ... + 3549313380.

Almost surely, 2^{1022202212112} is an apocalyptic number.

1022202212112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1022202212112 is an abundant number, since it is smaller than the sum of its proper divisors (1838544256910).

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

1022202212112 is a wasteful number, since it uses less digits than its factorization.

1022202212112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7098626487 (or 7098626478 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 1022202212112 its reverse (2112122022201), we get a palindrome (3134324234313).

The spelling of 1022202212112 in words is "one trillion, twenty-two billion, two hundred two million, two hundred twelve thousand, one hundred twelve".