213430233112 has 8 divisors (see below), whose sum is σ = 400181687100. Its totient is φ = 106715116552.

The previous prime is 213430233103. The next prime is 213430233169. The reversal of 213430233112 is 211332034312.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×213430233112² (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 as a sum of consecutive naturals, namely, 13339389562 + ... + 13339389577.

Almost surely, 2^213430233112 is an apocalyptic number.

It is an amenable number.

213430233112 is a deficient number, since it is larger than the sum of its proper divisors (186751453988).

213430233112 is a wasteful number, since it uses less digits than its factorization.

213430233112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26678779145 (or 26678779141 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 213430233112 its reverse (211332034312), we get a palindrome (424762267424).

The spelling of 213430233112 in words is "two hundred thirteen billion, four hundred thirty million, two hundred thirty-three thousand, one hundred twelve".