1012011222100 has 72 divisors (see below), whose sum is σ = 2264830819328. Its totient is φ = 392276908800.

The previous prime is 1012011222073. The next prime is 1012011222109. The reversal of 1012011222100 is 12221102101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012011222109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 380481 + ... + 1472680.

Almost surely, 2^{1012011222100} is an apocalyptic number.

1012011222100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1012011222100 is an abundant number, since it is smaller than the sum of its proper divisors (1252819597228).

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

1012011222100 is a wasteful number, since it uses less digits than its factorization.

1012011222100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1853345 (or 1853338 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1012011222100 its reverse (12221102101), we get a palindrome (1024232324201).

The spelling of 1012011222100 in words is "one trillion, twelve billion, eleven million, two hundred twenty-two thousand, one hundred".