1212028632 has 48 divisors (see below), whose sum is σ = 3293330040. Its totient is φ = 402686208.

The previous prime is 1212028579. The next prime is 1212028633. The reversal of 1212028632 is 2368202121.

1212028632 is a `hidden beast` number, since 1 + 2 + 1 + 2 + 0 + 28 + 632 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 1212028596 and 1212028605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212028633) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5313 + ... + 49520.

Almost surely, 2^1212028632 is an apocalyptic number.

1212028632 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1212028632 is an abundant number, since it is smaller than the sum of its proper divisors (2081301408).

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

1212028632 is a wasteful number, since it uses less digits than its factorization.

1212028632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55152 (or 55145 counting only the distinct ones).

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

The square root of 1212028632 is about 34814.2015849854. The cubic root of 1212028632 is about 1066.1974179905.

The spelling of 1212028632 in words is "one billion, two hundred twelve million, twenty-eight thousand, six hundred thirty-two".