36211212 has 60 divisors (see below), whose sum is σ = 96022696. Its totient is φ = 11897280.

The previous prime is 36211211. The next prime is 36211277. The reversal of 36211212 is 21211263.

It is a super-2 number, since 2×36211212² = 2622503749017888, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (36211211) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 22887 + ... + 24417.

Almost surely, 2^36211212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 36211212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48011348).

36211212 is an abundant number, since it is smaller than the sum of its proper divisors (59811484).

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

36211212 is a wasteful number, since it uses less digits than its factorization.

36211212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1620 (or 1609 counting only the distinct ones).

The product of its digits is 144, while the sum is 18.

The square root of 36211212 is about 6017.5752591887. The cubic root of 36211212 is about 330.8372130296.

Adding to 36211212 its reverse (21211263), we get a palindrome (57422475).

The spelling of 36211212 in words is "thirty-six million, two hundred eleven thousand, two hundred twelve".