1212036480 has 128 divisors (see below), whose sum is σ = 4292690400. Its totient is φ = 323205120.

The previous prime is 1212036433. The next prime is 1212036487. The reversal of 1212036480 is 846302121.

1212036480 is a `hidden beast` number, since 1 + 2 + 12 + 0 + 3 + 648 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212036487) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17791 + ... + 52350.

Almost surely, 2^1212036480 is an apocalyptic number.

1212036480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1212036480 is an abundant number, since it is smaller than the sum of its proper divisors (3080653920).

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

1212036480 is an equidigital number, since it uses as much as digits as its factorization.

1212036480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70169 (or 70151 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 1212036480 is about 34814.3142974266. The cubic root of 1212036480 is about 1066.1997192285.

The spelling of 1212036480 in words is "one billion, two hundred twelve million, thirty-six thousand, four hundred eighty".