211198703452 has 48 divisors (see below), whose sum is σ = 426491396352. Its totient is φ = 90567607680.

The previous prime is 211198703413. The next prime is 211198703453. The reversal of 211198703452 is 254307891112.

It is a junction number, because it is equal to n+sod(n) for n = 211198703399 and 211198703408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211198703453) 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, 1355538 + ... + 1503289.

It is an arithmetic number, because the mean of its divisors is an integer number (8885237424).

Almost surely, 2^211198703452 is an apocalyptic number.

211198703452 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

211198703452 is an abundant number, since it is smaller than the sum of its proper divisors (215292692900).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211198703452 is a wasteful number, since it uses less digits than its factorization.

211198703452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2858938 (or 2858936 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 43.

The spelling of 211198703452 in words is "two hundred eleven billion, one hundred ninety-eight million, seven hundred three thousand, four hundred fifty-two".