1001011222212 has 48 divisors (see below), whose sum is σ = 2338019427072. Its totient is φ = 333338211360.

The previous prime is 1001011222163. The next prime is 1001011222243. The reversal of 1001011222212 is 2122221101001.

It is a junction number, because it is equal to n+sod(n) for n = 1001011222191 and 1001011222200.

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, 59423463 + ... + 59440305.

It is an arithmetic number, because the mean of its divisors is an integer number (48708738064).

Almost surely, 2^{1001011222212} is an apocalyptic number.

1001011222212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1001011222212 is an abundant number, since it is smaller than the sum of its proper divisors (1337008204860).

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

1001011222212 is a wasteful number, since it uses less digits than its factorization.

1001011222212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21488 (or 21486 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1001011222212 its reverse (2122221101001), we get a palindrome (3123232323213).

The spelling of 1001011222212 in words is "one trillion, one billion, eleven million, two hundred twenty-two thousand, two hundred twelve".