212013212307 has 16 divisors (see below), whose sum is σ = 304715674368. Its totient is φ = 130346906400.

The previous prime is 212013212287. The next prime is 212013212321. The reversal of 212013212307 is 703212310212.

It is a happy number.

It is not a de Polignac number, because 212013212307 - 2¹¹ = 212013210259 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212013212347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2515569 + ... + 2598482.

It is an arithmetic number, because the mean of its divisors is an integer number (19044729648).

Almost surely, 2^212013212307 is an apocalyptic number.

212013212307 is a deficient number, since it is larger than the sum of its proper divisors (92702462061).

212013212307 is a wasteful number, since it uses less digits than its factorization.

212013212307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5115130.

The product of its (nonzero) digits is 1008, while the sum is 24.

Adding to 212013212307 its reverse (703212310212), we get a palindrome (915225522519).

The spelling of 212013212307 in words is "two hundred twelve billion, thirteen million, two hundred twelve thousand, three hundred seven".