1212146134 has 16 divisors (see below), whose sum is σ = 1835606448. Its totient is φ = 600297472.

The previous prime is 1212146129. The next prime is 1212146137. The reversal of 1212146134 is 4316412121.

It is a super-2 number, since 2×1212146134² = 2938596500342291912, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1212146099 and 1212146108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212146137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123222 + ... + 132694.

It is an arithmetic number, because the mean of its divisors is an integer number (114725403).

Almost surely, 2^1212146134 is an apocalyptic number.

1212146134 is a deficient number, since it is larger than the sum of its proper divisors (623460314).

1212146134 is a wasteful number, since it uses less digits than its factorization.

1212146134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10079.

The product of its digits is 1152, while the sum is 25.

The square root of 1212146134 is about 34815.8891025348. The cubic root of 1212146134 is about 1066.2318715992.

Adding to 1212146134 its reverse (4316412121), we get a palindrome (5528558255).

The spelling of 1212146134 in words is "one billion, two hundred twelve million, one hundred forty-six thousand, one hundred thirty-four".