212101302030 has 32 divisors (see below), whose sum is σ = 509084777088. Its totient is φ = 56555719200.

The previous prime is 212101301983. The next prime is 212101302031. The reversal of 212101302030 is 30203101212.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212101302031) 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, 91725 + ... + 657735.

It is an arithmetic number, because the mean of its divisors is an integer number (15908899284).

Almost surely, 2^212101302030 is an apocalyptic number.

212101302030 is an abundant number, since it is smaller than the sum of its proper divisors (296983475058).

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

212101302030 is a wasteful number, since it uses less digits than its factorization.

212101302030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 578512.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 212101302030 its reverse (30203101212), we get a palindrome (242304403242).

The spelling of 212101302030 in words is "two hundred twelve billion, one hundred one million, three hundred two thousand, thirty".