141421212 has 18 divisors (see below), whose sum is σ = 357481488. Its totient is φ = 47140392.

The previous prime is 141421201. The next prime is 141421223. The reversal of 141421212 is 212124141.

It is an interprime number because it is at equal distance from previous prime (141421201) and next prime (141421223).

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1964148 + ... + 1964219.

Almost surely, 2^141421212 is an apocalyptic number.

141421212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

141421212 is an abundant number, since it is smaller than the sum of its proper divisors (216060276).

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

141421212 is a wasteful number, since it uses less digits than its factorization.

141421212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3928377 (or 3928372 counting only the distinct ones).

The product of its digits is 128, while the sum is 18.

The square root of 141421212 is about 11892.0650855938. The cubic root of 141421212 is about 521.0005538337. Note that the first 3 decimals are identical.

Adding to 141421212 its reverse (212124141), we get a palindrome (353545353).

The spelling of 141421212 in words is "one hundred forty-one million, four hundred twenty-one thousand, two hundred twelve".