1212034141 has 4 divisors (see below), whose sum is σ = 1215150300. Its totient is φ = 1208917984.

The previous prime is 1212034133. The next prime is 1212034217. The reversal of 1212034141 is 1414302121.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 360620100 + 851414041 = 18990^2 + 29179^2 .

It is a cyclic number.

It is not a de Polignac number, because 1212034141 - 2³ = 1212034133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212034121) 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, 1557496 + ... + 1558273.

It is an arithmetic number, because the mean of its divisors is an integer number (303787575).

Almost surely, 2^1212034141 is an apocalyptic number.

It is an amenable number.

1212034141 is a deficient number, since it is larger than the sum of its proper divisors (3116159).

1212034141 is an equidigital number, since it uses as much as digits as its factorization.

1212034141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3116158.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 1212034141 is about 34814.2807049061. The cubic root of 1212034141 is about 1066.1990333738.

Adding to 1212034141 its reverse (1414302121), we get a palindrome (2626336262).

The spelling of 1212034141 in words is "one billion, two hundred twelve million, thirty-four thousand, one hundred forty-one".