12122070 has 32 divisors (see below), whose sum is σ = 29382912. Its totient is φ = 3200352.

The previous prime is 12122069. The next prime is 12122083. The reversal of 12122070 is 7022121.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1129 + ... + 5051.

It is an arithmetic number, because the mean of its divisors is an integer number (918216).

Almost surely, 2^12122070 is an apocalyptic number.

12122070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12122070 is an abundant number, since it is smaller than the sum of its proper divisors (17260842).

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

12122070 is a wasteful number, since it uses less digits than its factorization.

12122070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4036.

The product of its (nonzero) digits is 56, while the sum is 15.

The square root of 12122070 is about 3481.6763203951. The cubic root of 12122070 is about 229.7165380012.

Adding to 12122070 its reverse (7022121), we get a palindrome (19144191).

The spelling of 12122070 in words is "twelve million, one hundred twenty-two thousand, seventy".