212414021497 has 24 divisors (see below), whose sum is σ = 237311163936. Its totient is φ = 189438919296.

The previous prime is 212414021489. The next prime is 212414021539. The reversal of 212414021497 is 794120414212.

It is a happy number.

It is not a de Polignac number, because 212414021497 - 2³ = 212414021489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212414921497) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 851878 + ... + 1072624.

It is an arithmetic number, because the mean of its divisors is an integer number (9887965164).

Almost surely, 2^212414021497 is an apocalyptic number.

It is an amenable number.

212414021497 is a deficient number, since it is larger than the sum of its proper divisors (24897142439).

212414021497 is a wasteful number, since it uses less digits than its factorization.

212414021497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220917 (or 220894 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 37.

The spelling of 212414021497 in words is "two hundred twelve billion, four hundred fourteen million, twenty-one thousand, four hundred ninety-seven".