1212454152 has 96 divisors (see below), whose sum is σ = 4041535680. Its totient is φ = 319766400.

The previous prime is 1212454151. The next prime is 1212454157. The reversal of 1212454152 is 2514542121.

It is a happy number.

1212454152 is a `hidden beast` number, since 1 + 2 + 1 + 245 + 415 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (1212454151) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 85974 + ... + 99077.

It is an arithmetic number, because the mean of its divisors is an integer number (42099330).

Almost surely, 2^1212454152 is an apocalyptic number.

1212454152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1212454152 is an abundant number, since it is smaller than the sum of its proper divisors (2829081528).

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

1212454152 is a wasteful number, since it uses less digits than its factorization.

1212454152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185083 (or 185076 counting only the distinct ones).

The product of its digits is 3200, while the sum is 27.

The square root of 1212454152 is about 34820.3123478236. The cubic root of 1212454152 is about 1066.3221772109.

Adding to 1212454152 its reverse (2514542121), we get a palindrome (3726996273).

The spelling of 1212454152 in words is "one billion, two hundred twelve million, four hundred fifty-four thousand, one hundred fifty-two".