61321134116212 has 24 divisors (see below), whose sum is σ = 109595608214400. Its totient is φ = 30008107838400.

The previous prime is 61321134116197. The next prime is 61321134116227. The reversal of 61321134116212 is 21261143112316.

It is an interprime number because it is at equal distance from previous prime (61321134116197) and next prime (61321134116227).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89645664 + ... + 90327112.

It is an arithmetic number, because the mean of its divisors is an integer number (4566483675600).

Almost surely, 2^{61321134116212} is an apocalyptic number.

It is an amenable number.

61321134116212 is a deficient number, since it is larger than the sum of its proper divisors (48274474098188).

61321134116212 is a wasteful number, since it uses less digits than its factorization.

61321134116212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1160151 (or 1160149 counting only the distinct ones).

The product of its digits is 10368, while the sum is 34.

Adding to 61321134116212 its reverse (21261143112316), we get a palindrome (82582277228528).

The spelling of 61321134116212 in words is "sixty-one trillion, three hundred twenty-one billion, one hundred thirty-four million, one hundred sixteen thousand, two hundred twelve".