1154323510212 has 24 divisors (see below), whose sum is σ = 2693447388576. Its totient is φ = 384770808448.

The previous prime is 1154323510211. The next prime is 1154323510231. The reversal of 1154323510212 is 2120153234511.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1154323510212.

It is not an unprimeable number, because it can be changed into a prime (1154323510211) 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, 1033468 + ... + 1837580.

It is an arithmetic number, because the mean of its divisors is an integer number (112226974524).

Almost surely, 2^{1154323510212} is an apocalyptic number.

1154323510212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1154323510212 is an abundant number, since it is smaller than the sum of its proper divisors (1539123878364).

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

1154323510212 is a wasteful number, since it uses less digits than its factorization.

1154323510212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 923747 (or 923745 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

Adding to 1154323510212 its reverse (2120153234511), we get a palindrome (3274476744723).

The spelling of 1154323510212 in words is "one trillion, one hundred fifty-four billion, three hundred twenty-three million, five hundred ten thousand, two hundred twelve".