1212432108 has 24 divisors (see below), whose sum is σ = 2831290560. Its totient is φ = 403818000.

The previous prime is 1212432101. The next prime is 1212432113. The reversal of 1212432108 is 8012342121.

It is not an unprimeable number, because it can be changed into a prime (1212432101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25018 + ... + 55233.

It is an arithmetic number, because the mean of its divisors is an integer number (117970440).

Almost surely, 2^1212432108 is an apocalyptic number.

It is an amenable number.

1212432108 is an abundant number, since it is smaller than the sum of its proper divisors (1618858452).

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

1212432108 is a wasteful number, since it uses less digits than its factorization.

1212432108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81517 (or 81515 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 1212432108 is about 34819.9958070072. The cubic root of 1212432108 is about 1066.3157147951.

Adding to 1212432108 its reverse (8012342121), we get a palindrome (9224774229).

The spelling of 1212432108 in words is "one billion, two hundred twelve million, four hundred thirty-two thousand, one hundred eight".