1212132141 has 48 divisors (see below), whose sum is σ = 1981848960. Its totient is φ = 731649600.

The previous prime is 1212132121. The next prime is 1212132143. The reversal of 1212132141 is 1412312121.

It is not a de Polignac number, because 1212132141 - 2⁹ = 1212131629 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212132143) 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 47 ways as a sum of consecutive naturals, for example, 1015441 + ... + 1016633.

It is an arithmetic number, because the mean of its divisors is an integer number (41288520).

Almost surely, 2^1212132141 is an apocalyptic number.

1212132141 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1212132141 is a deficient number, since it is larger than the sum of its proper divisors (769716819).

1212132141 is a wasteful number, since it uses less digits than its factorization.

1212132141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1535 (or 1518 counting only the distinct ones).

The product of its digits is 96, while the sum is 18.

The square root of 1212132141 is about 34815.6881448579. The cubic root of 1212132141 is about 1066.2277687275.

Adding to 1212132141 its reverse (1412312121), we get a palindrome (2624444262).

The spelling of 1212132141 in words is "one billion, two hundred twelve million, one hundred thirty-two thousand, one hundred forty-one".