212153514141 has 4 divisors (see below), whose sum is σ = 282871352192. Its totient is φ = 141435676092.

The previous prime is 212153514137. The next prime is 212153514163. The reversal of 212153514141 is 141415351212.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 212153514141 - 2² = 212153514137 is a prime.

It is a super-2 number, since 2×212153514141² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212153514099 and 212153514108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212153514191) 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, 35358919021 + ... + 35358919026.

It is an arithmetic number, because the mean of its divisors is an integer number (70717838048).

Almost surely, 2^212153514141 is an apocalyptic number.

It is an amenable number.

212153514141 is a deficient number, since it is larger than the sum of its proper divisors (70717838051).

212153514141 is an equidigital number, since it uses as much as digits as its factorization.

212153514141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70717838050.

The product of its digits is 4800, while the sum is 30.

Adding to 212153514141 its reverse (141415351212), we get a palindrome (353568865353).

The spelling of 212153514141 in words is "two hundred twelve billion, one hundred fifty-three million, five hundred fourteen thousand, one hundred forty-one".