212203113397 has 16 divisors (see below), whose sum is σ = 238235350464. Its totient is φ = 187315632000.

The previous prime is 212203113319. The next prime is 212203113443. The reversal of 212203113397 is 793311302212.

It is a cyclic number.

It is not a de Polignac number, because 212203113397 - 2³⁵ = 177843375029 is a prime.

It is a super-2 number, since 2×212203113397² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212203113307) 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, 331104 + ... + 730777.

It is an arithmetic number, because the mean of its divisors is an integer number (14889709404).

Almost surely, 2^212203113397 is an apocalyptic number.

It is an amenable number.

212203113397 is a deficient number, since it is larger than the sum of its proper divisors (26032237067).

212203113397 is a wasteful number, since it uses less digits than its factorization.

212203113397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1062420.

The product of its (nonzero) digits is 13608, while the sum is 34.

The spelling of 212203113397 in words is "two hundred twelve billion, two hundred three million, one hundred thirteen thousand, three hundred ninety-seven".