1550136012 has 12 divisors (see below), whose sum is σ = 3616984056. Its totient is φ = 516712000.

The previous prime is 1550136001. The next prime is 1550136017. The reversal of 1550136012 is 2106310551.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (1550136017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64588989 + ... + 64589012.

It is an arithmetic number, because the mean of its divisors is an integer number (301415338).

Almost surely, 2^1550136012 is an apocalyptic number.

1550136012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1550136012 is an abundant number, since it is smaller than the sum of its proper divisors (2066848044).

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

1550136012 is a wasteful number, since it uses less digits than its factorization.

1550136012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129178008 (or 129178006 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 1550136012 is about 39371.7666862944. The cubic root of 1550136012 is about 1157.3283770133.

Adding to 1550136012 its reverse (2106310551), we get a palindrome (3656446563).

The spelling of 1550136012 in words is "one billion, five hundred fifty million, one hundred thirty-six thousand, twelve".