37212123212 has 12 divisors (see below), whose sum is σ = 71041326216. Its totient is φ = 16914601440.

The previous prime is 37212123203. The next prime is 37212123217. The reversal of 37212123212 is 21232121273.

It is a super-2 number, since 2×37212123212² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (37212123217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 422864993 + ... + 422865080.

It is an arithmetic number, because the mean of its divisors is an integer number (5920110518).

Almost surely, 2^37212123212 is an apocalyptic number.

It is an amenable number.

37212123212 is a deficient number, since it is larger than the sum of its proper divisors (33829203004).

37212123212 is a wasteful number, since it uses less digits than its factorization.

37212123212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 845730088 (or 845730086 counting only the distinct ones).

The product of its digits is 2016, while the sum is 26.

Adding to 37212123212 its reverse (21232121273), we get a palindrome (58444244485).

The spelling of 37212123212 in words is "thirty-seven billion, two hundred twelve million, one hundred twenty-three thousand, two hundred twelve".