421101012 has 48 divisors (see below), whose sum is σ = 1011548160. Its totient is φ = 136275552.

The previous prime is 421101007. The next prime is 421101013. The reversal of 421101012 is 210101124.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421101013) 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, 68689 + ... + 74567.

It is an arithmetic number, because the mean of its divisors is an integer number (21073920).

Almost surely, 2^421101012 is an apocalyptic number.

It is an amenable number.

421101012 is an abundant number, since it is smaller than the sum of its proper divisors (590447148).

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

421101012 is a wasteful number, since it uses less digits than its factorization.

421101012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6060 (or 6058 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 421101012 is about 20520.7458928763. The cubic root of 421101012 is about 749.5410596668.

Adding to 421101012 its reverse (210101124), we get a palindrome (631202136).

The spelling of 421101012 in words is "four hundred twenty-one million, one hundred one thousand, twelve".