61122211412 has 12 divisors (see below), whose sum is σ = 106970559360. Its totient is φ = 30559194456.

The previous prime is 61122211387. The next prime is 61122211421. The reversal of 61122211412 is 21411222116.

It is a super-3 number, since 3×61122211412³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 404612 + ... + 534747.

It is an arithmetic number, because the mean of its divisors is an integer number (8914213280).

Almost surely, 2^61122211412 is an apocalyptic number.

It is an amenable number.

61122211412 is a deficient number, since it is larger than the sum of its proper divisors (45848347948).

61122211412 is a wasteful number, since it uses less digits than its factorization.

61122211412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 955630 (or 955628 counting only the distinct ones).

The product of its digits is 384, while the sum is 23.

Adding to 61122211412 its reverse (21411222116), we get a palindrome (82533433528).

The spelling of 61122211412 in words is "sixty-one billion, one hundred twenty-two million, two hundred eleven thousand, four hundred twelve".