101213004 has 24 divisors (see below), whose sum is σ = 236340720. Its totient is φ = 33712384.

The previous prime is 101213003. The next prime is 101213017. The reversal of 101213004 is 400312101.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (101213003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20752 + ... + 25160.

It is an arithmetic number, because the mean of its divisors is an integer number (9847530).

Almost surely, 2^101213004 is an apocalyptic number.

It is an amenable number.

101213004 is an abundant number, since it is smaller than the sum of its proper divisors (135127716).

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

101213004 is a wasteful number, since it uses less digits than its factorization.

101213004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6329 (or 6327 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 101213004 is about 10060.4673847690. The cubic root of 101213004 is about 466.0281009904.

Adding to 101213004 its reverse (400312101), we get a palindrome (501525105).

The spelling of 101213004 in words is "one hundred one million, two hundred thirteen thousand, four".