1012212222000 has 160 divisors (see below), whose sum is σ = 3729568387584. Its totient is φ = 231362784000.

The previous prime is 1012212221959. The next prime is 1012212222001. The reversal of 1012212222000 is 2222122101.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (1012212222001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12008146 + ... + 12092145.

Almost surely, 2^{1012212222000} is an apocalyptic number.

1012212222000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1012212222000 is an abundant number, since it is smaller than the sum of its proper divisors (2717356165584).

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

1012212222000 is a wasteful number, since it uses less digits than its factorization.

1012212222000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24100324 (or 24100308 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 1012212222000 its reverse (2222122101), we get a palindrome (1014434344101).

The spelling of 1012212222000 in words is "one trillion, twelve billion, two hundred twelve million, two hundred twenty-two thousand".