37030012121 has 4 divisors (see below), whose sum is σ = 38640012672. Its totient is φ = 35420011572.

The previous prime is 37030012111. The next prime is 37030012127. The reversal of 37030012121 is 12121003073.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 37030012121 - 2²² = 37025817817 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 37030012093 and 37030012102.

It is not an unprimeable number, because it can be changed into a prime (37030012127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 805000241 + ... + 805000286.

It is an arithmetic number, because the mean of its divisors is an integer number (9660003168).

Almost surely, 2^37030012121 is an apocalyptic number.

It is an amenable number.

37030012121 is a deficient number, since it is larger than the sum of its proper divisors (1610000551).

37030012121 is a wasteful number, since it uses less digits than its factorization.

37030012121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1610000550.

The product of its (nonzero) digits is 252, while the sum is 20.

Adding to 37030012121 its reverse (12121003073), we get a palindrome (49151015194).

The spelling of 37030012121 in words is "thirty-seven billion, thirty million, twelve thousand, one hundred twenty-one".