61212051022 has 8 divisors (see below), whose sum is σ = 91819434672. Its totient is φ = 30605572800.

The previous prime is 61212051007. The next prime is 61212051023. The reversal of 61212051022 is 22015021216.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 61212050984 and 61212051002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61212051023) 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, 19554 + ... + 350437.

It is an arithmetic number, because the mean of its divisors is an integer number (11477429334).

Almost surely, 2^61212051022 is an apocalyptic number.

61212051022 is a deficient number, since it is larger than the sum of its proper divisors (30607383650).

61212051022 is a wasteful number, since it uses less digits than its factorization.

61212051022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452714.

The product of its (nonzero) digits is 480, while the sum is 22.

Adding to 61212051022 its reverse (22015021216), we get a palindrome (83227072238).

The spelling of 61212051022 in words is "sixty-one billion, two hundred twelve million, fifty-one thousand, twenty-two".