612214504261 has 16 divisors (see below), whose sum is σ = 633387142144. Its totient is φ = 591298735104.

The previous prime is 612214504211. The next prime is 612214504303. The reversal of 612214504261 is 162405412216.

It is a cyclic number.

It is not a de Polignac number, because 612214504261 - 2⁹ = 612214503749 is a prime.

It is a super-2 number, since 2×612214504261² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612214504211) 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, 3213700 + ... + 3398866.

It is an arithmetic number, because the mean of its divisors is an integer number (39586696384).

Almost surely, 2^612214504261 is an apocalyptic number.

It is an amenable number.

612214504261 is a deficient number, since it is larger than the sum of its proper divisors (21172637883).

612214504261 is a wasteful number, since it uses less digits than its factorization.

612214504261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185860.

The product of its (nonzero) digits is 23040, while the sum is 34.

Adding to 612214504261 its reverse (162405412216), we get a palindrome (774619916477).

The spelling of 612214504261 in words is "six hundred twelve billion, two hundred fourteen million, five hundred four thousand, two hundred sixty-one".