212462011734 has 128 divisors (see below), whose sum is σ = 499472842752. Its totient is φ = 59001402240.

The previous prime is 212462011661. The next prime is 212462011753. The reversal of 212462011734 is 437110264212.

It is a junction number, because it is equal to n+sod(n) for n = 212462011695 and 212462011704.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 90139684 + ... + 90142040.

It is an arithmetic number, because the mean of its divisors is an integer number (3902131584).

Almost surely, 2^212462011734 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212462011734, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (249736421376).

212462011734 is an abundant number, since it is smaller than the sum of its proper divisors (287010831018).

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

212462011734 is a wasteful number, since it uses less digits than its factorization.

212462011734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2850.

The product of its (nonzero) digits is 16128, while the sum is 33.

Adding to 212462011734 its reverse (437110264212), we get a palindrome (649572275946).

The spelling of 212462011734 in words is "two hundred twelve billion, four hundred sixty-two million, eleven thousand, seven hundred thirty-four".