213132412045 has 16 divisors (see below), whose sum is σ = 297810898560. Its totient is φ = 143390430144.

The previous prime is 213132411991. The next prime is 213132412079. The reversal of 213132412045 is 540214231312.

It is a cyclic number.

It is not a de Polignac number, because 213132412045 - 2¹⁹ = 213131887757 is a prime.

It is a super-2 number, since 2×213132412045² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57446235 + ... + 57449944.

It is an arithmetic number, because the mean of its divisors is an integer number (18613181160).

Almost surely, 2^213132412045 is an apocalyptic number.

It is an amenable number.

213132412045 is a deficient number, since it is larger than the sum of its proper divisors (84678486515).

213132412045 is a wasteful number, since it uses less digits than its factorization.

213132412045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114896244.

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 213132412045 its reverse (540214231312), we get a palindrome (753346643357).

The spelling of 213132412045 in words is "two hundred thirteen billion, one hundred thirty-two million, four hundred twelve thousand, forty-five".