212144102004342 has 16 divisors (see below), whose sum is σ = 424292646707712. Its totient is φ = 70713960218280.

The previous prime is 212144102004323. The next prime is 212144102004347. The reversal of 212144102004342 is 243400201441212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212144102004347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 184491534 + ... + 185637857.

It is an arithmetic number, because the mean of its divisors is an integer number (26518290419232).

Almost surely, 2^{212144102004342} is an apocalyptic number.

212144102004342 is an abundant number, since it is smaller than the sum of its proper divisors (212148544703370).

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

212144102004342 is a wasteful number, since it uses less digits than its factorization.

212144102004342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370224923.

The product of its (nonzero) digits is 12288, while the sum is 30.

Adding to 212144102004342 its reverse (243400201441212), we get a palindrome (455544303445554).

The spelling of 212144102004342 in words is "two hundred twelve trillion, one hundred forty-four billion, one hundred two million, four thousand, three hundred forty-two".