61213361202 has 32 divisors (see below), whose sum is σ = 155462505600. Its totient is φ = 17489531664.

The previous prime is 61213361149. The next prime is 61213361203. The reversal of 61213361202 is 20216331216.

61213361202 is a `hidden beast` number, since 6 + 12 + 1 + 33 + 612 + 0 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (61213361203) 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, 80969677 + ... + 80970432.

It is an arithmetic number, because the mean of its divisors is an integer number (4858203300).

Almost surely, 2^61213361202 is an apocalyptic number.

61213361202 is an abundant number, since it is smaller than the sum of its proper divisors (94249144398).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61213361202 is a wasteful number, since it uses less digits than its factorization.

61213361202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161940127 (or 161940121 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

Adding to 61213361202 its reverse (20216331216), we get a palindrome (81429692418).

The spelling of 61213361202 in words is "sixty-one billion, two hundred thirteen million, three hundred sixty-one thousand, two hundred two".