213461305520122 has 16 divisors (see below), whose sum is σ = 349308602985600. Its totient is φ = 97025564795040.

The previous prime is 213461305520119. The next prime is 213461305520123. The reversal of 213461305520122 is 221025503164312.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (213461305520123) 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, 114118722 + ... + 115974157.

It is an arithmetic number, because the mean of its divisors is an integer number (21831787686600).

Almost surely, 2^{213461305520122} is an apocalyptic number.

213461305520122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

213461305520122 is a deficient number, since it is larger than the sum of its proper divisors (135847297465478).

213461305520122 is a wasteful number, since it uses less digits than its factorization.

213461305520122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230135061.

The product of its (nonzero) digits is 86400, while the sum is 37.

Adding to 213461305520122 its reverse (221025503164312), we get a palindrome (434486808684434).

The spelling of 213461305520122 in words is "two hundred thirteen trillion, four hundred sixty-one billion, three hundred five million, five hundred twenty thousand, one hundred twenty-two".