1224012000 has 96 divisors (see below), whose sum is σ = 4009902624. Its totient is φ = 326400000.

The previous prime is 1224011981. The next prime is 1224012011. The reversal of 1224012000 is 2104221.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×1224012000² = 2996410752288000000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

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, 39001 + ... + 63000.

It is an arithmetic number, because the mean of its divisors is an integer number (41769819).

Almost surely, 2^1224012000 is an apocalyptic number.

1224012000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1224012000 is an abundant number, since it is smaller than the sum of its proper divisors (2785890624).

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

1224012000 is a wasteful number, since it uses less digits than its factorization.

1224012000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102029 (or 102011 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 1224012000 is about 34985.8828672366. The cubic root of 1224012000 is about 1069.6997439758.

Adding to 1224012000 its reverse (2104221), we get a palindrome (1226116221).

The spelling of 1224012000 in words is "one billion, two hundred twenty-four million, twelve thousand".